15832360

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{997}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 35748360

約数和(自身を除く): 19916000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 997, 1588, 1985, 1994, 3176, 3970, 3988, 4985, 7940, 7976, 9970, 15880, 19940, 39880, 395809, 791618, 1583236, 1979045, 3166472, 3958090, 7916180, 15832360]

約数ペア:

[(1, 15832360), (2, 7916180), (4, 3958090), (5, 3166472), (8, 1979045), (10, 1583236), (20, 791618), (40, 395809), (397, 39880), (794, 19940), (997, 15880), (1588, 9970), (1985, 7976), (1994, 7940), (3176, 4985), (3970, 3988)]