85289980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2347}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 189342720

約数和(自身を除く): 104052740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 2347, 3634, 4694, 7268, 9085, 9388, 11735, 18170, 23470, 36340, 46940, 53981, 107962, 185413, 215924, 269905, 370826, 539810, 741652, 927065, 1079620, 1854130, 3708260, 4264499, 8528998, 17057996, 21322495, 42644990, 85289980]

約数ペア:

[(1, 85289980), (2, 42644990), (4, 21322495), (5, 17057996), (10, 8528998), (20, 4264499), (23, 3708260), (46, 1854130), (79, 1079620), (92, 927065), (115, 741652), (158, 539810), (230, 370826), (316, 269905), (395, 215924), (460, 185413), (790, 107962), (1580, 53981), (1817, 46940), (2347, 36340), (3634, 23470), (4694, 18170), (7268, 11735), (9085, 9388)]