68780725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 99368640

約数和(自身を除く): 30587915

約数列:

[1, 5, 13, 17, 25, 59, 65, 85, 211, 221, 295, 325, 425, 767, 1003, 1055, 1105, 1475, 2743, 3587, 3835, 5015, 5275, 5525, 12449, 13039, 13715, 17935, 19175, 25075, 46631, 62245, 65195, 68575, 89675, 161837, 211633, 233155, 311225, 325975, 809185, 1058165, 1165775, 2751229, 4045925, 5290825, 13756145, 68780725]

約数ペア:

[(1, 68780725), (5, 13756145), (13, 5290825), (17, 4045925), (25, 2751229), (59, 1165775), (65, 1058165), (85, 809185), (211, 325975), (221, 311225), (295, 233155), (325, 211633), (425, 161837), (767, 89675), (1003, 68575), (1055, 65195), (1105, 62245), (1475, 46631), (2743, 25075), (3587, 19175), (3835, 17935), (5015, 13715), (5275, 13039), (5525, 12449)]