40027520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 109499040

約数和(自身を除く): 69471520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 260, 272, 283, 320, 340, 416, 442, 520, 544, 566, 640, 680, 832, 884, 1040, 1088, 1105, 1132, 1360, 1415, 1664, 1768, 2080, 2176, 2210, 2264, 2720, 2830, 3536, 3679, 4160, 4420, 4528, 4811, 5440, 5660, 7072, 7358, 8320, 8840, 9056, 9622, 10880, 11320, 14144, 14716, 17680, 18112, 18395, 19244, 22640, 24055, 28288, 29432, 35360, 36224, 36790, 38488, 45280, 48110, 58864, 62543, 70720, 73580, 76976, 90560, 96220, 117728, 125086, 141440, 147160, 153952, 181120, 192440, 235456, 250172, 294320, 307904, 312715, 384880, 470912, 500344, 588640, 615808, 625430, 769760, 1000688, 1177280, 1250860, 1539520, 2001376, 2354560, 2501720, 3079040, 4002752, 5003440, 8005504, 10006880, 20013760, 40027520]

約数ペア:

[(1, 40027520), (2, 20013760), (4, 10006880), (5, 8005504), (8, 5003440), (10, 4002752), (13, 3079040), (16, 2501720), (17, 2354560), (20, 2001376), (26, 1539520), (32, 1250860), (34, 1177280), (40, 1000688), (52, 769760), (64, 625430), (65, 615808), (68, 588640), (80, 500344), (85, 470912), (104, 384880), (128, 312715), (130, 307904), (136, 294320), (160, 250172), (170, 235456), (208, 192440), (221, 181120), (260, 153952), (272, 147160), (283, 141440), (320, 125086), (340, 117728), (416, 96220), (442, 90560), (520, 76976), (544, 73580), (566, 70720), (640, 62543), (680, 58864), (832, 48110), (884, 45280), (1040, 38488), (1088, 36790), (1105, 36224), (1132, 35360), (1360, 29432), (1415, 28288), (1664, 24055), (1768, 22640), (2080, 19244), (2176, 18395), (2210, 18112), (2264, 17680), (2720, 14716), (2830, 14144), (3536, 11320), (3679, 10880), (4160, 9622), (4420, 9056), (4528, 8840), (4811, 8320), (5440, 7358), (5660, 7072)]