401070520

素因数分解:

$2^3\times 5^1\times {\mathrm{10026763}}^1$

素因数の和:10026774

約数の個数: 16

約数和(自身を含む): 902408760

約数和(自身を除く): 501338240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10026763, 20053526, 40107052, 50133815, 80214104, 100267630, 200535260, 401070520]

約数ペア:

[(1, 401070520), (2, 200535260), (4, 100267630), (5, 80214104), (8, 50133815), (10, 40107052), (20, 20053526), (40, 10026763)]