15256720

素因数分解:

$2^4\times 5^1\times {\mathrm{190709}}^1$

素因数の和:190722

約数の個数: 20

約数和(自身を含む): 35472060

約数和(自身を除く): 20215340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190709, 381418, 762836, 953545, 1525672, 1907090, 3051344, 3814180, 7628360, 15256720]

約数ペア:

[(1, 15256720), (2, 7628360), (4, 3814180), (5, 3051344), (8, 1907090), (10, 1525672), (16, 953545), (20, 762836), (40, 381418), (80, 190709)]