127281020

素因数分解:

$2^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{4549}}^1$

素因数の和:5957

約数の個数: 24

約数和(自身を含む): 267540000

約数和(自身を除く): 140258980

約数列:

[1, 2, 4, 5, 10, 20, 1399, 2798, 4549, 5596, 6995, 9098, 13990, 18196, 22745, 27980, 45490, 90980, 6364051, 12728102, 25456204, 31820255, 63640510, 127281020]

約数ペア:

[(1, 127281020), (2, 63640510), (4, 31820255), (5, 25456204), (10, 12728102), (20, 6364051), (1399, 90980), (2798, 45490), (4549, 27980), (5596, 22745), (6995, 18196), (9098, 13990)]