1012580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 2145528

約数和(自身を除く): 1132948

約数列:

[1, 2, 4, 5, 10, 20, 197, 257, 394, 514, 788, 985, 1028, 1285, 1970, 2570, 3940, 5140, 50629, 101258, 202516, 253145, 506290, 1012580]

約数ペア:

[(1, 1012580), (2, 506290), (4, 253145), (5, 202516), (10, 101258), (20, 50629), (197, 5140), (257, 3940), (394, 2570), (514, 1970), (788, 1285), (985, 1028)]