1271075920

素因数分解:

$2^4\times 5^1\times {\mathrm{15888449}}^1$

素因数の和:15888462

約数の個数: 20

約数和(自身を含む): 2955251700

約数和(自身を除く): 1684175780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15888449, 31776898, 63553796, 79442245, 127107592, 158884490, 254215184, 317768980, 635537960, 1271075920]

約数ペア:

[(1, 1271075920), (2, 635537960), (4, 317768980), (5, 254215184), (8, 158884490), (10, 127107592), (16, 79442245), (20, 63553796), (40, 31776898), (80, 15888449)]