64808120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9587}}^1$

素因数の和:9624

約数の個数: 48

約数和(自身を含む): 157914360

約数和(自身を除く): 93106240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 9587, 19174, 38348, 47935, 76696, 95870, 124631, 191740, 249262, 383480, 498524, 623155, 997048, 1246310, 1620203, 2492620, 3240406, 4985240, 6480812, 8101015, 12961624, 16202030, 32404060, 64808120]

約数ペア:

[(1, 64808120), (2, 32404060), (4, 16202030), (5, 12961624), (8, 8101015), (10, 6480812), (13, 4985240), (20, 3240406), (26, 2492620), (40, 1620203), (52, 1246310), (65, 997048), (104, 623155), (130, 498524), (169, 383480), (260, 249262), (338, 191740), (520, 124631), (676, 95870), (845, 76696), (1352, 47935), (1690, 38348), (3380, 19174), (6760, 9587)]