72606640

素因数分解:

$2^4\times 5^1\times {\mathrm{907583}}^1$

素因数の和:907596

約数の個数: 20

約数和(自身を含む): 168810624

約数和(自身を除く): 96203984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907583, 1815166, 3630332, 4537915, 7260664, 9075830, 14521328, 18151660, 36303320, 72606640]

約数ペア:

[(1, 72606640), (2, 36303320), (4, 18151660), (5, 14521328), (8, 9075830), (10, 7260664), (16, 4537915), (20, 3630332), (40, 1815166), (80, 907583)]