72409870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{556999}}^1$

素因数の和:557019

約数の個数: 16

約数和(自身を含む): 140364000

約数和(自身を除く): 67954130

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 556999, 1113998, 2784995, 5569990, 7240987, 14481974, 36204935, 72409870]

約数ペア:

[(1, 72409870), (2, 36204935), (5, 14481974), (10, 7240987), (13, 5569990), (26, 2784995), (65, 1113998), (130, 556999)]