68020225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 107493120

約数和(自身を除く): 39472895

約数列:

[1, 5, 7, 13, 25, 29, 35, 65, 91, 145, 175, 203, 325, 377, 455, 725, 1015, 1031, 1885, 2275, 2639, 5075, 5155, 7217, 9425, 13195, 13403, 25775, 29899, 36085, 65975, 67015, 93821, 149495, 180425, 209293, 335075, 388687, 469105, 747475, 1046465, 1943435, 2345525, 2720809, 5232325, 9717175, 13604045, 68020225]

約数ペア:

[(1, 68020225), (5, 13604045), (7, 9717175), (13, 5232325), (25, 2720809), (29, 2345525), (35, 1943435), (65, 1046465), (91, 747475), (145, 469105), (175, 388687), (203, 335075), (325, 209293), (377, 180425), (455, 149495), (725, 93821), (1015, 67015), (1031, 65975), (1885, 36085), (2275, 29899), (2639, 25775), (5075, 13403), (5155, 13195), (7217, 9425)]