38959640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12329}}^1$

素因数の和:12419

約数の個数: 32

約数和(自身を含む): 88776000

約数和(自身を除く): 49816360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 12329, 24658, 49316, 61645, 98632, 123290, 246580, 493160, 973991, 1947982, 3895964, 4869955, 7791928, 9739910, 19479820, 38959640]

約数ペア:

[(1, 38959640), (2, 19479820), (4, 9739910), (5, 7791928), (8, 4869955), (10, 3895964), (20, 1947982), (40, 973991), (79, 493160), (158, 246580), (316, 123290), (395, 98632), (632, 61645), (790, 49316), (1580, 24658), (3160, 12329)]