90520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:115

約数の個数: 32

約数和(自身を含む): 213120

約数和(自身を除く): 122600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 1240, 1460, 2263, 2920, 4526, 9052, 11315, 18104, 22630, 45260, 90520]

約数ペア:

[(1, 90520), (2, 45260), (4, 22630), (5, 18104), (8, 11315), (10, 9052), (20, 4526), (31, 2920), (40, 2263), (62, 1460), (73, 1240), (124, 730), (146, 620), (155, 584), (248, 365), (292, 310)]