85507280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62873}}^1$

素因数の和:62903

約数の個数: 40

約数和(自身を含む): 210502152

約数和(自身を除く): 124994872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 62873, 125746, 251492, 314365, 502984, 628730, 1005968, 1068841, 1257460, 2137682, 2514920, 4275364, 5029840, 5344205, 8550728, 10688410, 17101456, 21376820, 42753640, 85507280]

約数ペア:

[(1, 85507280), (2, 42753640), (4, 21376820), (5, 17101456), (8, 10688410), (10, 8550728), (16, 5344205), (17, 5029840), (20, 4275364), (34, 2514920), (40, 2137682), (68, 1257460), (80, 1068841), (85, 1005968), (136, 628730), (170, 502984), (272, 314365), (340, 251492), (680, 125746), (1360, 62873)]