40054720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 112

約数和(自身を含む): 104241600

約数和(自身を除く): 64186880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 68, 74, 80, 85, 136, 148, 160, 170, 185, 199, 272, 296, 320, 340, 370, 398, 544, 592, 629, 680, 740, 796, 995, 1088, 1184, 1258, 1360, 1480, 1592, 1990, 2368, 2516, 2720, 2960, 3145, 3184, 3383, 3980, 5032, 5440, 5920, 6290, 6368, 6766, 7363, 7960, 10064, 11840, 12580, 12736, 13532, 14726, 15920, 16915, 20128, 25160, 27064, 29452, 31840, 33830, 36815, 40256, 50320, 54128, 58904, 63680, 67660, 73630, 100640, 108256, 117808, 125171, 135320, 147260, 201280, 216512, 235616, 250342, 270640, 294520, 471232, 500684, 541280, 589040, 625855, 1001368, 1082560, 1178080, 1251710, 2002736, 2356160, 2503420, 4005472, 5006840, 8010944, 10013680, 20027360, 40054720]

約数ペア:

[(1, 40054720), (2, 20027360), (4, 10013680), (5, 8010944), (8, 5006840), (10, 4005472), (16, 2503420), (17, 2356160), (20, 2002736), (32, 1251710), (34, 1178080), (37, 1082560), (40, 1001368), (64, 625855), (68, 589040), (74, 541280), (80, 500684), (85, 471232), (136, 294520), (148, 270640), (160, 250342), (170, 235616), (185, 216512), (199, 201280), (272, 147260), (296, 135320), (320, 125171), (340, 117808), (370, 108256), (398, 100640), (544, 73630), (592, 67660), (629, 63680), (680, 58904), (740, 54128), (796, 50320), (995, 40256), (1088, 36815), (1184, 33830), (1258, 31840), (1360, 29452), (1480, 27064), (1592, 25160), (1990, 20128), (2368, 16915), (2516, 15920), (2720, 14726), (2960, 13532), (3145, 12736), (3184, 12580), (3383, 11840), (3980, 10064), (5032, 7960), (5440, 7363), (5920, 6766), (6290, 6368)]