87158620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{106291}}^1$

素因数の和:106341

約数の個数: 24

約数和(自身を含む): 187499088

約数和(自身を除く): 100340468

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 106291, 212582, 425164, 531455, 1062910, 2125820, 4357931, 8715862, 17431724, 21789655, 43579310, 87158620]

約数ペア:

[(1, 87158620), (2, 43579310), (4, 21789655), (5, 17431724), (10, 8715862), (20, 4357931), (41, 2125820), (82, 1062910), (164, 531455), (205, 425164), (410, 212582), (820, 106291)]