49906120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1123}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 123819840

約数和(自身を除く): 73913720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 1123, 2020, 2222, 2246, 4040, 4444, 4492, 5555, 5615, 8888, 8984, 11110, 11230, 12353, 22220, 22460, 24706, 44440, 44920, 49412, 61765, 98824, 113423, 123530, 226846, 247060, 453692, 494120, 567115, 907384, 1134230, 1247653, 2268460, 2495306, 4536920, 4990612, 6238265, 9981224, 12476530, 24953060, 49906120]

約数ペア:

[(1, 49906120), (2, 24953060), (4, 12476530), (5, 9981224), (8, 6238265), (10, 4990612), (11, 4536920), (20, 2495306), (22, 2268460), (40, 1247653), (44, 1134230), (55, 907384), (88, 567115), (101, 494120), (110, 453692), (202, 247060), (220, 226846), (404, 123530), (440, 113423), (505, 98824), (808, 61765), (1010, 49412), (1111, 44920), (1123, 44440), (2020, 24706), (2222, 22460), (2246, 22220), (4040, 12353), (4444, 11230), (4492, 11110), (5555, 8984), (5615, 8888)]