15798460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7247}}^1$

素因数の和:7365

約数の個数: 24

約数和(自身を含む): 33485760

約数和(自身を除く): 17687300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7247, 14494, 28988, 36235, 72470, 144940, 789923, 1579846, 3159692, 3949615, 7899230, 15798460]

約数ペア:

[(1, 15798460), (2, 7899230), (4, 3949615), (5, 3159692), (10, 1579846), (20, 789923), (109, 144940), (218, 72470), (436, 36235), (545, 28988), (1090, 14494), (2180, 7247)]