85528720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 217236096

約数和(自身を除く): 131707376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 47, 80, 86, 92, 94, 115, 172, 184, 188, 215, 230, 235, 344, 368, 376, 430, 460, 470, 529, 688, 752, 860, 920, 940, 989, 1058, 1081, 1720, 1840, 1880, 1978, 2021, 2116, 2162, 2645, 3440, 3760, 3956, 4042, 4232, 4324, 4945, 5290, 5405, 7912, 8084, 8464, 8648, 9890, 10105, 10580, 10810, 15824, 16168, 17296, 19780, 20210, 21160, 21620, 22747, 24863, 32336, 39560, 40420, 42320, 43240, 45494, 46483, 49726, 79120, 80840, 86480, 90988, 92966, 99452, 113735, 124315, 161680, 181976, 185932, 198904, 227470, 232415, 248630, 363952, 371864, 397808, 454940, 464830, 497260, 743728, 909880, 929660, 994520, 1069109, 1819760, 1859320, 1989040, 2138218, 3718640, 4276436, 5345545, 8552872, 10691090, 17105744, 21382180, 42764360, 85528720]

約数ペア:

[(1, 85528720), (2, 42764360), (4, 21382180), (5, 17105744), (8, 10691090), (10, 8552872), (16, 5345545), (20, 4276436), (23, 3718640), (40, 2138218), (43, 1989040), (46, 1859320), (47, 1819760), (80, 1069109), (86, 994520), (92, 929660), (94, 909880), (115, 743728), (172, 497260), (184, 464830), (188, 454940), (215, 397808), (230, 371864), (235, 363952), (344, 248630), (368, 232415), (376, 227470), (430, 198904), (460, 185932), (470, 181976), (529, 161680), (688, 124315), (752, 113735), (860, 99452), (920, 92966), (940, 90988), (989, 86480), (1058, 80840), (1081, 79120), (1720, 49726), (1840, 46483), (1880, 45494), (1978, 43240), (2021, 42320), (2116, 40420), (2162, 39560), (2645, 32336), (3440, 24863), (3760, 22747), (3956, 21620), (4042, 21160), (4232, 20210), (4324, 19780), (4945, 17296), (5290, 16168), (5405, 15824), (7912, 10810), (8084, 10580), (8464, 10105), (8648, 9890)]