22884640

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 54363960

約数和(自身を除く): 31479320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 509, 562, 1018, 1124, 1405, 2036, 2248, 2545, 2810, 4072, 4496, 5090, 5620, 8144, 8992, 10180, 11240, 16288, 20360, 22480, 40720, 44960, 81440, 143029, 286058, 572116, 715145, 1144232, 1430290, 2288464, 2860580, 4576928, 5721160, 11442320, 22884640]

約数ペア:

[(1, 22884640), (2, 11442320), (4, 5721160), (5, 4576928), (8, 2860580), (10, 2288464), (16, 1430290), (20, 1144232), (32, 715145), (40, 572116), (80, 286058), (160, 143029), (281, 81440), (509, 44960), (562, 40720), (1018, 22480), (1124, 20360), (1405, 16288), (2036, 11240), (2248, 10180), (2545, 8992), (2810, 8144), (4072, 5620), (4496, 5090)]