11891920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{281}}^1$

素因数の和:340

約数の個数: 60

約数和(自身を含む): 29005956

約数和(自身を除く): 17114036

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 281, 368, 460, 529, 562, 920, 1058, 1124, 1405, 1840, 2116, 2248, 2645, 2810, 4232, 4496, 5290, 5620, 6463, 8464, 10580, 11240, 12926, 21160, 22480, 25852, 32315, 42320, 51704, 64630, 103408, 129260, 148649, 258520, 297298, 517040, 594596, 743245, 1189192, 1486490, 2378384, 2972980, 5945960, 11891920]

約数ペア:

[(1, 11891920), (2, 5945960), (4, 2972980), (5, 2378384), (8, 1486490), (10, 1189192), (16, 743245), (20, 594596), (23, 517040), (40, 297298), (46, 258520), (80, 148649), (92, 129260), (115, 103408), (184, 64630), (230, 51704), (281, 42320), (368, 32315), (460, 25852), (529, 22480), (562, 21160), (920, 12926), (1058, 11240), (1124, 10580), (1405, 8464), (1840, 6463), (2116, 5620), (2248, 5290), (2645, 4496), (2810, 4232)]