12912250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 27125280

約数和(自身を除く): 14213030

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 125, 130, 137, 145, 250, 274, 290, 325, 377, 650, 685, 725, 754, 1370, 1450, 1625, 1781, 1885, 3250, 3425, 3562, 3625, 3770, 3973, 6850, 7250, 7946, 8905, 9425, 17125, 17810, 18850, 19865, 34250, 39730, 44525, 47125, 51649, 89050, 94250, 99325, 103298, 198650, 222625, 258245, 445250, 496625, 516490, 993250, 1291225, 2582450, 6456125, 12912250]

約数ペア:

[(1, 12912250), (2, 6456125), (5, 2582450), (10, 1291225), (13, 993250), (25, 516490), (26, 496625), (29, 445250), (50, 258245), (58, 222625), (65, 198650), (125, 103298), (130, 99325), (137, 94250), (145, 89050), (250, 51649), (274, 47125), (290, 44525), (325, 39730), (377, 34250), (650, 19865), (685, 18850), (725, 17810), (754, 17125), (1370, 9425), (1450, 8905), (1625, 7946), (1781, 7250), (1885, 6850), (3250, 3973), (3425, 3770), (3562, 3625)]