68465240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{23447}}^1$

素因数の和:23531

約数の個数: 32

約数和(自身を含む): 156163680

約数和(自身を除く): 87698440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 23447, 46894, 93788, 117235, 187576, 234470, 468940, 937880, 1711631, 3423262, 6846524, 8558155, 13693048, 17116310, 34232620, 68465240]

約数ペア:

[(1, 68465240), (2, 34232620), (4, 17116310), (5, 13693048), (8, 8558155), (10, 6846524), (20, 3423262), (40, 1711631), (73, 937880), (146, 468940), (292, 234470), (365, 187576), (584, 117235), (730, 93788), (1460, 46894), (2920, 23447)]