25538820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{853}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 71736000

約数和(自身を除く): 46197180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 853, 998, 1497, 1706, 1996, 2495, 2559, 2994, 3412, 4265, 4990, 5118, 5988, 7485, 8530, 9980, 10236, 12795, 14970, 17060, 25590, 29940, 51180, 425647, 851294, 1276941, 1702588, 2128235, 2553882, 4256470, 5107764, 6384705, 8512940, 12769410, 25538820]

約数ペア:

[(1, 25538820), (2, 12769410), (3, 8512940), (4, 6384705), (5, 5107764), (6, 4256470), (10, 2553882), (12, 2128235), (15, 1702588), (20, 1276941), (30, 851294), (60, 425647), (499, 51180), (853, 29940), (998, 25590), (1497, 17060), (1706, 14970), (1996, 12795), (2495, 10236), (2559, 9980), (2994, 8530), (3412, 7485), (4265, 5988), (4990, 5118)]