8631920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 23221728

約数和(自身を除く): 14589808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 577, 680, 748, 880, 935, 1154, 1360, 1496, 1870, 2308, 2885, 2992, 3740, 4616, 5770, 6347, 7480, 9232, 9809, 11540, 12694, 14960, 19618, 23080, 25388, 31735, 39236, 46160, 49045, 50776, 63470, 78472, 98090, 101552, 107899, 126940, 156944, 196180, 215798, 253880, 392360, 431596, 507760, 539495, 784720, 863192, 1078990, 1726384, 2157980, 4315960, 8631920]

約数ペア:

[(1, 8631920), (2, 4315960), (4, 2157980), (5, 1726384), (8, 1078990), (10, 863192), (11, 784720), (16, 539495), (17, 507760), (20, 431596), (22, 392360), (34, 253880), (40, 215798), (44, 196180), (55, 156944), (68, 126940), (80, 107899), (85, 101552), (88, 98090), (110, 78472), (136, 63470), (170, 50776), (176, 49045), (187, 46160), (220, 39236), (272, 31735), (340, 25388), (374, 23080), (440, 19618), (577, 14960), (680, 12694), (748, 11540), (880, 9809), (935, 9232), (1154, 7480), (1360, 6347), (1496, 5770), (1870, 4616), (2308, 3740), (2885, 2992)]