8667280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6373}}^1$

素因数の和:6403

約数の個数: 40

約数和(自身を含む): 21340152

約数和(自身を除く): 12672872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6373, 12746, 25492, 31865, 50984, 63730, 101968, 108341, 127460, 216682, 254920, 433364, 509840, 541705, 866728, 1083410, 1733456, 2166820, 4333640, 8667280]

約数ペア:

[(1, 8667280), (2, 4333640), (4, 2166820), (5, 1733456), (8, 1083410), (10, 866728), (16, 541705), (17, 509840), (20, 433364), (34, 254920), (40, 216682), (68, 127460), (80, 108341), (85, 101968), (136, 63730), (170, 50984), (272, 31865), (340, 25492), (680, 12746), (1360, 6373)]