105165800

素因数分解:

$2^3\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1249}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 245287500

約数和(自身を除く): 140121700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 421, 842, 1249, 1684, 2105, 2498, 3368, 4210, 4996, 6245, 8420, 9992, 10525, 12490, 16840, 21050, 24980, 31225, 42100, 49960, 62450, 84200, 124900, 249800, 525829, 1051658, 2103316, 2629145, 4206632, 5258290, 10516580, 13145725, 21033160, 26291450, 52582900, 105165800]

約数ペア:

[(1, 105165800), (2, 52582900), (4, 26291450), (5, 21033160), (8, 13145725), (10, 10516580), (20, 5258290), (25, 4206632), (40, 2629145), (50, 2103316), (100, 1051658), (200, 525829), (421, 249800), (842, 124900), (1249, 84200), (1684, 62450), (2105, 49960), (2498, 42100), (3368, 31225), (4210, 24980), (4996, 21050), (6245, 16840), (8420, 12490), (9992, 10525)]