80457680180

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3987001}}^1$

素因数の和:3988019

約数の個数: 24

約数和(自身を含む): 169128624840

約数和(自身を除く): 88670944660

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 10090, 20180, 3987001, 7974002, 15948004, 19935005, 39870010, 79740020, 4022884009, 8045768018, 16091536036, 20114420045, 40228840090, 80457680180]

約数ペア:

[(1, 80457680180), (2, 40228840090), (4, 20114420045), (5, 16091536036), (10, 8045768018), (20, 4022884009), (1009, 79740020), (2018, 39870010), (4036, 19935005), (5045, 15948004), (10090, 7974002), (20180, 3987001)]