80323960

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15329}}^1$

素因数の和:15471

約数の個数: 32

約数和(自身を含む): 182120400

約数和(自身を除く): 101796440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 15329, 30658, 61316, 76645, 122632, 153290, 306580, 613160, 2008099, 4016198, 8032396, 10040495, 16064792, 20080990, 40161980, 80323960]

約数ペア:

[(1, 80323960), (2, 40161980), (4, 20080990), (5, 16064792), (8, 10040495), (10, 8032396), (20, 4016198), (40, 2008099), (131, 613160), (262, 306580), (524, 153290), (655, 122632), (1048, 76645), (1310, 61316), (2620, 30658), (5240, 15329)]