27122840

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1381}}^1$

素因数の和:1883

約数の個数: 32

約数和(自身を含む): 61194960

約数和(自身を除く): 34072120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1381, 1964, 2455, 2762, 3928, 4910, 5524, 6905, 9820, 11048, 13810, 19640, 27620, 55240, 678071, 1356142, 2712284, 3390355, 5424568, 6780710, 13561420, 27122840]

約数ペア:

[(1, 27122840), (2, 13561420), (4, 6780710), (5, 5424568), (8, 3390355), (10, 2712284), (20, 1356142), (40, 678071), (491, 55240), (982, 27620), (1381, 19640), (1964, 13810), (2455, 11048), (2762, 9820), (3928, 6905), (4910, 5524)]