25400245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 35038080

約数和(自身を除く): 9637835

約数列:

[1, 5, 13, 19, 65, 95, 131, 157, 247, 655, 785, 1235, 1703, 2041, 2489, 2983, 8515, 10205, 12445, 14915, 20567, 32357, 38779, 102835, 161785, 193895, 267371, 390773, 1336855, 1953865, 5080049, 25400245]

約数ペア:

[(1, 25400245), (5, 5080049), (13, 1953865), (19, 1336855), (65, 390773), (95, 267371), (131, 193895), (157, 161785), (247, 102835), (655, 38779), (785, 32357), (1235, 20567), (1703, 14915), (2041, 12445), (2489, 10205), (2983, 8515)]