127697740

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{20399}}^1$

素因数の和:20721

約数の個数: 24

約数和(自身を含む): 269035200

約数和(自身を除く): 141337460

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 20399, 40798, 81596, 101995, 203990, 407980, 6384887, 12769774, 25539548, 31924435, 63848870, 127697740]

約数ペア:

[(1, 127697740), (2, 63848870), (4, 31924435), (5, 25539548), (10, 12769774), (20, 6384887), (313, 407980), (626, 203990), (1252, 101995), (1565, 81596), (3130, 40798), (6260, 20399)]