2139156920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3145819}}^1$

素因数の和:3145847

約数の個数: 32

約数和(自身を含む): 5096228400

約数和(自身を除く): 2957071480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3145819, 6291638, 12583276, 15729095, 25166552, 31458190, 53478923, 62916380, 106957846, 125832760, 213915692, 267394615, 427831384, 534789230, 1069578460, 2139156920]

約数ペア:

[(1, 2139156920), (2, 1069578460), (4, 534789230), (5, 427831384), (8, 267394615), (10, 213915692), (17, 125832760), (20, 106957846), (34, 62916380), (40, 53478923), (68, 31458190), (85, 25166552), (136, 15729095), (170, 12583276), (340, 6291638), (680, 3145819)]