42655640

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3407}}^1$

素因数の和:3731

約数の個数: 32

約数和(自身を含む): 96310080

約数和(自身を除く): 53654440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 3407, 6260, 6814, 12520, 13628, 17035, 27256, 34070, 68140, 136280, 1066391, 2132782, 4265564, 5331955, 8531128, 10663910, 21327820, 42655640]

約数ペア:

[(1, 42655640), (2, 21327820), (4, 10663910), (5, 8531128), (8, 5331955), (10, 4265564), (20, 2132782), (40, 1066391), (313, 136280), (626, 68140), (1252, 34070), (1565, 27256), (2504, 17035), (3130, 13628), (3407, 12520), (6260, 6814)]