86829880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127691}}^1$

素因数の和:127719

約数の個数: 32

約数和(自身を含む): 206861040

約数和(自身を除く): 120031160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 127691, 255382, 510764, 638455, 1021528, 1276910, 2170747, 2553820, 4341494, 5107640, 8682988, 10853735, 17365976, 21707470, 43414940, 86829880]

約数ペア:

[(1, 86829880), (2, 43414940), (4, 21707470), (5, 17365976), (8, 10853735), (10, 8682988), (17, 5107640), (20, 4341494), (34, 2553820), (40, 2170747), (68, 1276910), (85, 1021528), (136, 638455), (170, 510764), (340, 255382), (680, 127691)]