12465800

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 29241060

約数和(自身を除く): 16775260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 397, 628, 785, 794, 1256, 1570, 1588, 1985, 3140, 3176, 3925, 3970, 6280, 7850, 7940, 9925, 15700, 15880, 19850, 31400, 39700, 62329, 79400, 124658, 249316, 311645, 498632, 623290, 1246580, 1558225, 2493160, 3116450, 6232900, 12465800]

約数ペア:

[(1, 12465800), (2, 6232900), (4, 3116450), (5, 2493160), (8, 1558225), (10, 1246580), (20, 623290), (25, 498632), (40, 311645), (50, 249316), (100, 124658), (157, 79400), (200, 62329), (314, 39700), (397, 31400), (628, 19850), (785, 15880), (794, 15700), (1256, 9925), (1570, 7940), (1588, 7850), (1985, 6280), (3140, 3970), (3176, 3925)]