20131825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 30962304

約数和(自身を除く): 10830479

約数列:

[1, 5, 7, 17, 25, 35, 67, 85, 101, 119, 175, 335, 425, 469, 505, 595, 707, 1139, 1675, 1717, 2345, 2525, 2975, 3535, 5695, 6767, 7973, 8585, 11725, 12019, 17675, 28475, 33835, 39865, 42925, 47369, 60095, 115039, 169175, 199325, 236845, 300475, 575195, 805273, 1184225, 2875975, 4026365, 20131825]

約数ペア:

[(1, 20131825), (5, 4026365), (7, 2875975), (17, 1184225), (25, 805273), (35, 575195), (67, 300475), (85, 236845), (101, 199325), (119, 169175), (175, 115039), (335, 60095), (425, 47369), (469, 42925), (505, 39865), (595, 33835), (707, 28475), (1139, 17675), (1675, 12019), (1717, 11725), (2345, 8585), (2525, 7973), (2975, 6767), (3535, 5695)]