86953640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127873}}^1$

素因数の和:127901

約数の個数: 32

約数和(自身を含む): 207155880

約数和(自身を除く): 120202240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 127873, 255746, 511492, 639365, 1022984, 1278730, 2173841, 2557460, 4347682, 5114920, 8695364, 10869205, 17390728, 21738410, 43476820, 86953640]

約数ペア:

[(1, 86953640), (2, 43476820), (4, 21738410), (5, 17390728), (8, 10869205), (10, 8695364), (17, 5114920), (20, 4347682), (34, 2557460), (40, 2173841), (68, 1278730), (85, 1022984), (136, 639365), (170, 511492), (340, 255746), (680, 127873)]