4006540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1229}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 8472240

約数和(自身を除く): 4465700

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1229, 1630, 2458, 3260, 4916, 6145, 12290, 24580, 200327, 400654, 801308, 1001635, 2003270, 4006540]

約数ペア:

[(1, 4006540), (2, 2003270), (4, 1001635), (5, 801308), (10, 400654), (20, 200327), (163, 24580), (326, 12290), (652, 6145), (815, 4916), (1229, 3260), (1630, 2458)]