56557526680

素因数分解:

$2^3\times 5^1\times {\mathrm{26237}}^1\times {\mathrm{53891}}^1$

素因数の和:80139

約数の個数: 32

約数和(自身を含む): 127261646640

約数和(自身を除く): 70704119960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 26237, 52474, 53891, 104948, 107782, 131185, 209896, 215564, 262370, 269455, 431128, 524740, 538910, 1049480, 1077820, 2155640, 1413938167, 2827876334, 5655752668, 7069690835, 11311505336, 14139381670, 28278763340, 56557526680]

約数ペア:

[(1, 56557526680), (2, 28278763340), (4, 14139381670), (5, 11311505336), (8, 7069690835), (10, 5655752668), (20, 2827876334), (40, 1413938167), (26237, 2155640), (52474, 1077820), (53891, 1049480), (104948, 538910), (107782, 524740), (131185, 431128), (209896, 269455), (215564, 262370)]