4721980

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1031}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 9969120

約数和(自身を除く): 5247140

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1031, 1145, 2062, 2290, 4124, 4580, 5155, 10310, 20620, 236099, 472198, 944396, 1180495, 2360990, 4721980]

約数ペア:

[(1, 4721980), (2, 2360990), (4, 1180495), (5, 944396), (10, 472198), (20, 236099), (229, 20620), (458, 10310), (916, 5155), (1031, 4580), (1145, 4124), (2062, 2290)]