90298520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173651}}^1$

素因数の和:173675

約数の個数: 32

約数和(自身を含む): 218801520

約数和(自身を除く): 128503000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 173651, 347302, 694604, 868255, 1389208, 1736510, 2257463, 3473020, 4514926, 6946040, 9029852, 11287315, 18059704, 22574630, 45149260, 90298520]

約数ペア:

[(1, 90298520), (2, 45149260), (4, 22574630), (5, 18059704), (8, 11287315), (10, 9029852), (13, 6946040), (20, 4514926), (26, 3473020), (40, 2257463), (52, 1736510), (65, 1389208), (104, 868255), (130, 694604), (260, 347302), (520, 173651)]