123963640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{39229}}^1$

素因数の和:39319

約数の個数: 32

約数和(自身を含む): 282456000

約数和(自身を除く): 158492360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 39229, 78458, 156916, 196145, 313832, 392290, 784580, 1569160, 3099091, 6198182, 12396364, 15495455, 24792728, 30990910, 61981820, 123963640]

約数ペア:

[(1, 123963640), (2, 61981820), (4, 30990910), (5, 24792728), (8, 15495455), (10, 12396364), (20, 6198182), (40, 3099091), (79, 1569160), (158, 784580), (316, 392290), (395, 313832), (632, 196145), (790, 156916), (1580, 78458), (3160, 39229)]