25464238160

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1952779}}^1$

素因数の和:1952955

約数の個数: 40

約数和(自身を含む): 59567601120

約数和(自身を除く): 34103362960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 1952779, 3905558, 7811116, 9763895, 15622232, 19527790, 31244464, 39055580, 78111160, 156222320, 318302977, 636605954, 1273211908, 1591514885, 2546423816, 3183029770, 5092847632, 6366059540, 12732119080, 25464238160]

約数ペア:

[(1, 25464238160), (2, 12732119080), (4, 6366059540), (5, 5092847632), (8, 3183029770), (10, 2546423816), (16, 1591514885), (20, 1273211908), (40, 636605954), (80, 318302977), (163, 156222320), (326, 78111160), (652, 39055580), (815, 31244464), (1304, 19527790), (1630, 15622232), (2608, 9763895), (3260, 7811116), (6520, 3905558), (13040, 1952779)]