40064980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{7129}}^1$

素因数の和:7419

約数の個数: 24

約数和(自身を含む): 84447720

約数和(自身を除く): 44382740

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 7129, 14258, 28516, 35645, 71290, 142580, 2003249, 4006498, 8012996, 10016245, 20032490, 40064980]

約数ペア:

[(1, 40064980), (2, 20032490), (4, 10016245), (5, 8012996), (10, 4006498), (20, 2003249), (281, 142580), (562, 71290), (1124, 35645), (1405, 28516), (2810, 14258), (5620, 7129)]