201058520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{386651}}^1$

素因数の和:386675

約数の個数: 32

約数和(自身を含む): 487181520

約数和(自身を除く): 286123000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 386651, 773302, 1546604, 1933255, 3093208, 3866510, 5026463, 7733020, 10052926, 15466040, 20105852, 25132315, 40211704, 50264630, 100529260, 201058520]

約数ペア:

[(1, 201058520), (2, 100529260), (4, 50264630), (5, 40211704), (8, 25132315), (10, 20105852), (13, 15466040), (20, 10052926), (26, 7733020), (40, 5026463), (52, 3866510), (65, 3093208), (104, 1933255), (130, 1546604), (260, 773302), (520, 386651)]