22619960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 56181600

約数和(自身を除く): 33561640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 509, 808, 1010, 1018, 1111, 2020, 2036, 2222, 2545, 4040, 4072, 4444, 5090, 5555, 5599, 8888, 10180, 11110, 11198, 20360, 22220, 22396, 27995, 44440, 44792, 51409, 55990, 102818, 111980, 205636, 223960, 257045, 411272, 514090, 565499, 1028180, 1130998, 2056360, 2261996, 2827495, 4523992, 5654990, 11309980, 22619960]

約数ペア:

[(1, 22619960), (2, 11309980), (4, 5654990), (5, 4523992), (8, 2827495), (10, 2261996), (11, 2056360), (20, 1130998), (22, 1028180), (40, 565499), (44, 514090), (55, 411272), (88, 257045), (101, 223960), (110, 205636), (202, 111980), (220, 102818), (404, 55990), (440, 51409), (505, 44792), (509, 44440), (808, 27995), (1010, 22396), (1018, 22220), (1111, 20360), (2020, 11198), (2036, 11110), (2222, 10180), (2545, 8888), (4040, 5599), (4072, 5555), (4444, 5090)]