858704540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{81163}}^1$

素因数の和:81218

約数の個数: 36

約数和(自身を含む): 1885115064

約数和(自身を除く): 1026410524

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 5290, 10580, 81163, 162326, 324652, 405815, 811630, 1623260, 1866749, 3733498, 7466996, 9333745, 18667490, 37334980, 42935227, 85870454, 171740908, 214676135, 429352270, 858704540]

約数ペア:

[(1, 858704540), (2, 429352270), (4, 214676135), (5, 171740908), (10, 85870454), (20, 42935227), (23, 37334980), (46, 18667490), (92, 9333745), (115, 7466996), (230, 3733498), (460, 1866749), (529, 1623260), (1058, 811630), (2116, 405815), (2645, 324652), (5290, 162326), (10580, 81163)]