127273840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38803}}^1$

素因数の和:38857

約数の個数: 40

約数和(自身を含む): 303136848

約数和(自身を除く): 175863008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 38803, 77606, 155212, 194015, 310424, 388030, 620848, 776060, 1552120, 1590923, 3104240, 3181846, 6363692, 7954615, 12727384, 15909230, 25454768, 31818460, 63636920, 127273840]

約数ペア:

[(1, 127273840), (2, 63636920), (4, 31818460), (5, 25454768), (8, 15909230), (10, 12727384), (16, 7954615), (20, 6363692), (40, 3181846), (41, 3104240), (80, 1590923), (82, 1552120), (164, 776060), (205, 620848), (328, 388030), (410, 310424), (656, 194015), (820, 155212), (1640, 77606), (3280, 38803)]