3883640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 8856000

約数和(自身を除く): 4972360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1229, 1580, 2458, 3160, 4916, 6145, 9832, 12290, 24580, 49160, 97091, 194182, 388364, 485455, 776728, 970910, 1941820, 3883640]

約数ペア:

[(1, 3883640), (2, 1941820), (4, 970910), (5, 776728), (8, 485455), (10, 388364), (20, 194182), (40, 97091), (79, 49160), (158, 24580), (316, 12290), (395, 9832), (632, 6145), (790, 4916), (1229, 3160), (1580, 2458)]