31333840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{233}}^1$

素因数の和:328

約数の個数: 60

約数和(自身を含む): 74991852

約数和(自身を除く): 43658012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 233, 328, 410, 466, 656, 820, 932, 1165, 1640, 1681, 1864, 2330, 3280, 3362, 3728, 4660, 6724, 8405, 9320, 9553, 13448, 16810, 18640, 19106, 26896, 33620, 38212, 47765, 67240, 76424, 95530, 134480, 152848, 191060, 382120, 391673, 764240, 783346, 1566692, 1958365, 3133384, 3916730, 6266768, 7833460, 15666920, 31333840]

約数ペア:

[(1, 31333840), (2, 15666920), (4, 7833460), (5, 6266768), (8, 3916730), (10, 3133384), (16, 1958365), (20, 1566692), (40, 783346), (41, 764240), (80, 391673), (82, 382120), (164, 191060), (205, 152848), (233, 134480), (328, 95530), (410, 76424), (466, 67240), (656, 47765), (820, 38212), (932, 33620), (1165, 26896), (1640, 19106), (1681, 18640), (1864, 16810), (2330, 13448), (3280, 9553), (3362, 9320), (3728, 8405), (4660, 6724)]