15671080

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{977}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 35384040

約数和(自身を除く): 19712960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 977, 1604, 1954, 2005, 3208, 3908, 4010, 4885, 7816, 8020, 9770, 16040, 19540, 39080, 391777, 783554, 1567108, 1958885, 3134216, 3917770, 7835540, 15671080]

約数ペア:

[(1, 15671080), (2, 7835540), (4, 3917770), (5, 3134216), (8, 1958885), (10, 1567108), (20, 783554), (40, 391777), (401, 39080), (802, 19540), (977, 16040), (1604, 9770), (1954, 8020), (2005, 7816), (3208, 4885), (3908, 4010)]