25225590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 66189312

約数和(自身を除く): 40963722

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 710, 911, 923, 1065, 1822, 1846, 2130, 2733, 2769, 4555, 4615, 5466, 5538, 9110, 9230, 11843, 13665, 13845, 23686, 27330, 27690, 35529, 59215, 64681, 71058, 118430, 129362, 177645, 194043, 323405, 355290, 388086, 646810, 840853, 970215, 1681706, 1940430, 2522559, 4204265, 5045118, 8408530, 12612795, 25225590]

約数ペア:

[(1, 25225590), (2, 12612795), (3, 8408530), (5, 5045118), (6, 4204265), (10, 2522559), (13, 1940430), (15, 1681706), (26, 970215), (30, 840853), (39, 646810), (65, 388086), (71, 355290), (78, 323405), (130, 194043), (142, 177645), (195, 129362), (213, 118430), (355, 71058), (390, 64681), (426, 59215), (710, 35529), (911, 27690), (923, 27330), (1065, 23686), (1822, 13845), (1846, 13665), (2130, 11843), (2733, 9230), (2769, 9110), (4555, 5538), (4615, 5466)]