25864840

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3967}}^1$

素因数の和:4141

約数の個数: 32

約数和(自身を含む): 58567680

約数和(自身を除く): 32702840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 3967, 6520, 7934, 15868, 19835, 31736, 39670, 79340, 158680, 646621, 1293242, 2586484, 3233105, 5172968, 6466210, 12932420, 25864840]

約数ペア:

[(1, 25864840), (2, 12932420), (4, 6466210), (5, 5172968), (8, 3233105), (10, 2586484), (20, 1293242), (40, 646621), (163, 158680), (326, 79340), (652, 39670), (815, 31736), (1304, 19835), (1630, 15868), (3260, 7934), (3967, 6520)]