40564160

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 168

約数和(自身を含む): 121615200

約数和(自身を除く): 81051040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 199, 208, 224, 245, 260, 280, 320, 364, 392, 398, 416, 448, 455, 490, 520, 560, 637, 728, 784, 796, 832, 910, 980, 995, 1040, 1120, 1274, 1393, 1456, 1568, 1592, 1820, 1960, 1990, 2080, 2240, 2548, 2587, 2786, 2912, 3136, 3184, 3185, 3640, 3920, 3980, 4160, 5096, 5174, 5572, 5824, 6368, 6370, 6965, 7280, 7840, 7960, 9751, 10192, 10348, 11144, 12736, 12740, 12935, 13930, 14560, 15680, 15920, 18109, 19502, 20384, 20696, 22288, 25480, 25870, 27860, 29120, 31840, 36218, 39004, 40768, 41392, 44576, 48755, 50960, 51740, 55720, 63680, 72436, 78008, 82784, 89152, 90545, 97510, 101920, 103480, 111440, 126763, 144872, 156016, 165568, 181090, 195020, 203840, 206960, 222880, 253526, 289744, 312032, 362180, 390040, 413920, 445760, 507052, 579488, 624064, 633815, 724360, 780080, 827840, 1014104, 1158976, 1267630, 1448720, 1560160, 2028208, 2535260, 2897440, 3120320, 4056416, 5070520, 5794880, 8112832, 10141040, 20282080, 40564160]

約数ペア:

[(1, 40564160), (2, 20282080), (4, 10141040), (5, 8112832), (7, 5794880), (8, 5070520), (10, 4056416), (13, 3120320), (14, 2897440), (16, 2535260), (20, 2028208), (26, 1560160), (28, 1448720), (32, 1267630), (35, 1158976), (40, 1014104), (49, 827840), (52, 780080), (56, 724360), (64, 633815), (65, 624064), (70, 579488), (80, 507052), (91, 445760), (98, 413920), (104, 390040), (112, 362180), (130, 312032), (140, 289744), (160, 253526), (182, 222880), (196, 206960), (199, 203840), (208, 195020), (224, 181090), (245, 165568), (260, 156016), (280, 144872), (320, 126763), (364, 111440), (392, 103480), (398, 101920), (416, 97510), (448, 90545), (455, 89152), (490, 82784), (520, 78008), (560, 72436), (637, 63680), (728, 55720), (784, 51740), (796, 50960), (832, 48755), (910, 44576), (980, 41392), (995, 40768), (1040, 39004), (1120, 36218), (1274, 31840), (1393, 29120), (1456, 27860), (1568, 25870), (1592, 25480), (1820, 22288), (1960, 20696), (1990, 20384), (2080, 19502), (2240, 18109), (2548, 15920), (2587, 15680), (2786, 14560), (2912, 13930), (3136, 12935), (3184, 12740), (3185, 12736), (3640, 11144), (3920, 10348), (3980, 10192), (4160, 9751), (5096, 7960), (5174, 7840), (5572, 7280), (5824, 6965), (6368, 6370)]