520038520

素因数分解:

$2^3\times 5^1\times {\mathrm{13000963}}^1$

素因数の和:13000974

約数の個数: 16

約数和(自身を含む): 1170086760

約数和(自身を除く): 650048240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13000963, 26001926, 52003852, 65004815, 104007704, 130009630, 260019260, 520038520]

約数ペア:

[(1, 520038520), (2, 260019260), (4, 130009630), (5, 104007704), (8, 65004815), (10, 52003852), (20, 26001926), (40, 13000963)]