81254810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3079}}^1$

素因数の和:3135

約数の個数: 64

約数和(自身を含む): 186278400

約数和(自身を除く): 105023590

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 754, 910, 1015, 1885, 2030, 2639, 3079, 3770, 5278, 6158, 13195, 15395, 21553, 26390, 30790, 40027, 43106, 80054, 89291, 107765, 178582, 200135, 215530, 280189, 400270, 446455, 560378, 625037, 892910, 1160783, 1250074, 1400945, 2321566, 2801890, 3125185, 5803915, 6250370, 8125481, 11607830, 16250962, 40627405, 81254810]

約数ペア:

[(1, 81254810), (2, 40627405), (5, 16250962), (7, 11607830), (10, 8125481), (13, 6250370), (14, 5803915), (26, 3125185), (29, 2801890), (35, 2321566), (58, 1400945), (65, 1250074), (70, 1160783), (91, 892910), (130, 625037), (145, 560378), (182, 446455), (203, 400270), (290, 280189), (377, 215530), (406, 200135), (455, 178582), (754, 107765), (910, 89291), (1015, 80054), (1885, 43106), (2030, 40027), (2639, 30790), (3079, 26390), (3770, 21553), (5278, 15395), (6158, 13195)]