25972885

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 33997824

約数和(自身を除く): 8024939

約数列:

[1, 5, 31, 41, 61, 67, 155, 205, 305, 335, 1271, 1891, 2077, 2501, 2747, 4087, 6355, 9455, 10385, 12505, 13735, 20435, 77531, 85157, 126697, 167567, 387655, 425785, 633485, 837835, 5194577, 25972885]

約数ペア:

[(1, 25972885), (5, 5194577), (31, 837835), (41, 633485), (61, 425785), (67, 387655), (155, 167567), (205, 126697), (305, 85157), (335, 77531), (1271, 20435), (1891, 13735), (2077, 12505), (2501, 10385), (2747, 9455), (4087, 6355)]