8664920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 21772800

約数和(自身を除く): 13107880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 419, 440, 470, 517, 838, 940, 1034, 1676, 1880, 2068, 2095, 2585, 3352, 4136, 4190, 4609, 5170, 8380, 9218, 10340, 16760, 18436, 19693, 20680, 23045, 36872, 39386, 46090, 78772, 92180, 98465, 157544, 184360, 196930, 216623, 393860, 433246, 787720, 866492, 1083115, 1732984, 2166230, 4332460, 8664920]

約数ペア:

[(1, 8664920), (2, 4332460), (4, 2166230), (5, 1732984), (8, 1083115), (10, 866492), (11, 787720), (20, 433246), (22, 393860), (40, 216623), (44, 196930), (47, 184360), (55, 157544), (88, 98465), (94, 92180), (110, 78772), (188, 46090), (220, 39386), (235, 36872), (376, 23045), (419, 20680), (440, 19693), (470, 18436), (517, 16760), (838, 10340), (940, 9218), (1034, 8380), (1676, 5170), (1880, 4609), (2068, 4190), (2095, 4136), (2585, 3352)]