42687125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 58138080

約数和(自身を除く): 15450955

約数列:

[1, 5, 13, 25, 65, 109, 125, 241, 325, 545, 1205, 1417, 1625, 2725, 3133, 6025, 7085, 13625, 15665, 26269, 30125, 35425, 78325, 131345, 177125, 341497, 391625, 656725, 1707485, 3283625, 8537425, 42687125]

約数ペア:

[(1, 42687125), (5, 8537425), (13, 3283625), (25, 1707485), (65, 656725), (109, 391625), (125, 341497), (241, 177125), (325, 131345), (545, 78325), (1205, 35425), (1417, 30125), (1625, 26269), (2725, 15665), (3133, 13625), (6025, 7085)]