23320550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 47876400

約数和(自身を除く): 24555850

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 109, 110, 218, 275, 389, 545, 550, 778, 1090, 1199, 1945, 2398, 2725, 3890, 4279, 5450, 5995, 8558, 9725, 11990, 19450, 21395, 29975, 42401, 42790, 59950, 84802, 106975, 212005, 213950, 424010, 466411, 932822, 1060025, 2120050, 2332055, 4664110, 11660275, 23320550]

約数ペア:

[(1, 23320550), (2, 11660275), (5, 4664110), (10, 2332055), (11, 2120050), (22, 1060025), (25, 932822), (50, 466411), (55, 424010), (109, 213950), (110, 212005), (218, 106975), (275, 84802), (389, 59950), (545, 42790), (550, 42401), (778, 29975), (1090, 21395), (1199, 19450), (1945, 11990), (2398, 9725), (2725, 8558), (3890, 5995), (4279, 5450)]