1625702975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 2249856000

約数和(自身を除く): 624153025

約数列:

[1, 5, 13, 25, 47, 65, 71, 235, 325, 355, 611, 923, 1175, 1499, 1775, 3055, 3337, 4615, 7495, 15275, 16685, 19487, 23075, 37475, 43381, 70453, 83425, 97435, 106429, 216905, 352265, 487175, 532145, 915889, 1084525, 1383577, 1761325, 2660725, 4579445, 5002163, 6917885, 22897225, 25010815, 34589425, 65028119, 125054075, 325140595, 1625702975]

約数ペア:

[(1, 1625702975), (5, 325140595), (13, 125054075), (25, 65028119), (47, 34589425), (65, 25010815), (71, 22897225), (235, 6917885), (325, 5002163), (355, 4579445), (611, 2660725), (923, 1761325), (1175, 1383577), (1499, 1084525), (1775, 915889), (3055, 532145), (3337, 487175), (4615, 352265), (7495, 216905), (15275, 106429), (16685, 97435), (19487, 83425), (23075, 70453), (37475, 43381)]