40639812

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 96983040

約数和(自身を除く): 56343228

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 163, 237, 263, 316, 326, 474, 489, 526, 652, 789, 948, 978, 1052, 1578, 1956, 3156, 12877, 20777, 25754, 38631, 41554, 42869, 51508, 62331, 77262, 83108, 85738, 124662, 128607, 154524, 171476, 249324, 257214, 514428, 3386651, 6773302, 10159953, 13546604, 20319906, 40639812]

約数ペア:

[(1, 40639812), (2, 20319906), (3, 13546604), (4, 10159953), (6, 6773302), (12, 3386651), (79, 514428), (158, 257214), (163, 249324), (237, 171476), (263, 154524), (316, 128607), (326, 124662), (474, 85738), (489, 83108), (526, 77262), (652, 62331), (789, 51508), (948, 42869), (978, 41554), (1052, 38631), (1578, 25754), (1956, 20777), (3156, 12877)]