68478040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{100703}}^1$

素因数の和:100731

約数の個数: 32

約数和(自身を含む): 163140480

約数和(自身を除く): 94662440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 100703, 201406, 402812, 503515, 805624, 1007030, 1711951, 2014060, 3423902, 4028120, 6847804, 8559755, 13695608, 17119510, 34239020, 68478040]

約数ペア:

[(1, 68478040), (2, 34239020), (4, 17119510), (5, 13695608), (8, 8559755), (10, 6847804), (17, 4028120), (20, 3423902), (34, 2014060), (40, 1711951), (68, 1007030), (85, 805624), (136, 503515), (170, 402812), (340, 201406), (680, 100703)]