4080346640

素因数分解:

$2^4\times 5^1\times {\mathrm{51004333}}^1$

素因数の和:51004346

約数の個数: 20

約数和(自身を含む): 9486806124

約数和(自身を除く): 5406459484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51004333, 102008666, 204017332, 255021665, 408034664, 510043330, 816069328, 1020086660, 2040173320, 4080346640]

約数ペア:

[(1, 4080346640), (2, 2040173320), (4, 1020086660), (5, 816069328), (8, 510043330), (10, 408034664), (16, 255021665), (20, 204017332), (40, 102008666), (80, 51004333)]