2163650

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 24

約数和(自身を含む): 4071540

約数和(自身を除く): 1907890

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 397, 545, 794, 1090, 1985, 2725, 3970, 5450, 9925, 19850, 43273, 86546, 216365, 432730, 1081825, 2163650]

約数ペア:

[(1, 2163650), (2, 1081825), (5, 432730), (10, 216365), (25, 86546), (50, 43273), (109, 19850), (218, 9925), (397, 5450), (545, 3970), (794, 2725), (1090, 1985)]