63655960

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4091}}^1$

素因数の和:4491

約数の個数: 32

約数和(自身を含む): 143629200

約数和(自身を除く): 79973240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 4091, 7780, 8182, 15560, 16364, 20455, 32728, 40910, 81820, 163640, 1591399, 3182798, 6365596, 7956995, 12731192, 15913990, 31827980, 63655960]

約数ペア:

[(1, 63655960), (2, 31827980), (4, 15913990), (5, 12731192), (8, 7956995), (10, 6365596), (20, 3182798), (40, 1591399), (389, 163640), (778, 81820), (1556, 40910), (1945, 32728), (3112, 20455), (3890, 16364), (4091, 15560), (7780, 8182)]