127935580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{156019}}^1$

素因数の和:156069

約数の個数: 24

約数和(自身を含む): 275219280

約数和(自身を除く): 147283700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 156019, 312038, 624076, 780095, 1560190, 3120380, 6396779, 12793558, 25587116, 31983895, 63967790, 127935580]

約数ペア:

[(1, 127935580), (2, 63967790), (4, 31983895), (5, 25587116), (10, 12793558), (20, 6396779), (41, 3120380), (82, 1560190), (164, 780095), (205, 624076), (410, 312038), (820, 156019)]