90199160

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21893}}^1$

素因数の和:22007

約数の個数: 32

約数和(自身を含む): 204927840

約数和(自身を除く): 114728680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 21893, 43786, 87572, 109465, 175144, 218930, 437860, 875720, 2254979, 4509958, 9019916, 11274895, 18039832, 22549790, 45099580, 90199160]

約数ペア:

[(1, 90199160), (2, 45099580), (4, 22549790), (5, 18039832), (8, 11274895), (10, 9019916), (20, 4509958), (40, 2254979), (103, 875720), (206, 437860), (412, 218930), (515, 175144), (824, 109465), (1030, 87572), (2060, 43786), (4120, 21893)]