64712810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1049}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 120960000

約数和(自身を除く): 56247190

約数列:

[1, 2, 5, 10, 31, 62, 155, 199, 310, 398, 995, 1049, 1990, 2098, 5245, 6169, 10490, 12338, 30845, 32519, 61690, 65038, 162595, 208751, 325190, 417502, 1043755, 2087510, 6471281, 12942562, 32356405, 64712810]

約数ペア:

[(1, 64712810), (2, 32356405), (5, 12942562), (10, 6471281), (31, 2087510), (62, 1043755), (155, 417502), (199, 325190), (310, 208751), (398, 162595), (995, 65038), (1049, 61690), (1990, 32519), (2098, 30845), (5245, 12338), (6169, 10490)]