90703960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{31063}}^1$

素因数の和:31147

約数の個数: 32

約数和(自身を含む): 206886240

約数和(自身を除く): 116182280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 31063, 62126, 124252, 155315, 248504, 310630, 621260, 1242520, 2267599, 4535198, 9070396, 11337995, 18140792, 22675990, 45351980, 90703960]

約数ペア:

[(1, 90703960), (2, 45351980), (4, 22675990), (5, 18140792), (8, 11337995), (10, 9070396), (20, 4535198), (40, 2267599), (73, 1242520), (146, 621260), (292, 310630), (365, 248504), (584, 155315), (730, 124252), (1460, 62126), (2920, 31063)]