25821125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 35717760

約数和(自身を除く): 9896635

約数列:

[1, 5, 11, 25, 55, 89, 125, 211, 275, 445, 979, 1055, 1375, 2225, 2321, 4895, 5275, 11125, 11605, 18779, 24475, 26375, 58025, 93895, 122375, 206569, 290125, 469475, 1032845, 2347375, 5164225, 25821125]

約数ペア:

[(1, 25821125), (5, 5164225), (11, 2347375), (25, 1032845), (55, 469475), (89, 290125), (125, 206569), (211, 122375), (275, 93895), (445, 58025), (979, 26375), (1055, 24475), (1375, 18779), (2225, 11605), (2321, 11125), (4895, 5275)]