40020752

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{80687}}^1$

素因数の和:80726

約数の個数: 20

約数和(自身を含む): 80042496

約数和(自身を除く): 40021744

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 80687, 161374, 322748, 645496, 1290992, 2501297, 5002594, 10005188, 20010376, 40020752]

約数ペア:

[(1, 40020752), (2, 20010376), (4, 10005188), (8, 5002594), (16, 2501297), (31, 1290992), (62, 645496), (124, 322748), (248, 161374), (496, 80687)]