28720100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{12487}}^1$

素因数の和:12524

約数の個数: 36

約数和(自身を含む): 65037504

約数和(自身を除く): 36317404

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 12487, 24974, 49948, 62435, 124870, 249740, 287201, 312175, 574402, 624350, 1148804, 1248700, 1436005, 2872010, 5744020, 7180025, 14360050, 28720100]

約数ペア:

[(1, 28720100), (2, 14360050), (4, 7180025), (5, 5744020), (10, 2872010), (20, 1436005), (23, 1248700), (25, 1148804), (46, 624350), (50, 574402), (92, 312175), (100, 287201), (115, 249740), (230, 124870), (460, 62435), (575, 49948), (1150, 24974), (2300, 12487)]