68549240

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12329}}^1$

素因数の和:12479

約数の個数: 32

約数和(自身を含む): 155358000

約数和(自身を除く): 86808760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12329, 24658, 49316, 61645, 98632, 123290, 246580, 493160, 1713731, 3427462, 6854924, 8568655, 13709848, 17137310, 34274620, 68549240]

約数ペア:

[(1, 68549240), (2, 34274620), (4, 17137310), (5, 13709848), (8, 8568655), (10, 6854924), (20, 3427462), (40, 1713731), (139, 493160), (278, 246580), (556, 123290), (695, 98632), (1112, 61645), (1390, 49316), (2780, 24658), (5560, 12329)]