40508020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289343}}^1$

素因数の和:289359

約数の個数: 24

約数和(自身を含む): 97219584

約数和(自身を除く): 56711564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289343, 578686, 1157372, 1446715, 2025401, 2893430, 4050802, 5786860, 8101604, 10127005, 20254010, 40508020]

約数ペア:

[(1, 40508020), (2, 20254010), (4, 10127005), (5, 8101604), (7, 5786860), (10, 4050802), (14, 2893430), (20, 2025401), (28, 1446715), (35, 1157372), (70, 578686), (140, 289343)]