12828100

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{787}}^1$

素因数の和:964

約数の個数: 36

約数和(自身を含む): 28043344

約数和(自身を除く): 15215244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 787, 815, 1574, 1630, 3148, 3260, 3935, 4075, 7870, 8150, 15740, 16300, 19675, 39350, 78700, 128281, 256562, 513124, 641405, 1282810, 2565620, 3207025, 6414050, 12828100]

約数ペア:

[(1, 12828100), (2, 6414050), (4, 3207025), (5, 2565620), (10, 1282810), (20, 641405), (25, 513124), (50, 256562), (100, 128281), (163, 78700), (326, 39350), (652, 19675), (787, 16300), (815, 15740), (1574, 8150), (1630, 7870), (3148, 4075), (3260, 3935)]