18777746320

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{683}}^1\times {\mathrm{1223}}^1$

素因数の和:2200

約数の個数: 80

約数和(自身を含む): 43913653632

約数和(自身を除く): 25135907312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 683, 1124, 1223, 1366, 1405, 2248, 2446, 2732, 2810, 3415, 4496, 4892, 5464, 5620, 6115, 6830, 9784, 10928, 11240, 12230, 13660, 19568, 22480, 24460, 27320, 48920, 54640, 97840, 191923, 343663, 383846, 687326, 767692, 835309, 959615, 1374652, 1535384, 1670618, 1718315, 1919230, 2749304, 3070768, 3341236, 3436630, 3838460, 4176545, 5498608, 6682472, 6873260, 7676920, 8353090, 13364944, 13746520, 15353840, 16706180, 27493040, 33412360, 66824720, 234721829, 469443658, 938887316, 1173609145, 1877774632, 2347218290, 3755549264, 4694436580, 9388873160, 18777746320]

約数ペア:

[(1, 18777746320), (2, 9388873160), (4, 4694436580), (5, 3755549264), (8, 2347218290), (10, 1877774632), (16, 1173609145), (20, 938887316), (40, 469443658), (80, 234721829), (281, 66824720), (562, 33412360), (683, 27493040), (1124, 16706180), (1223, 15353840), (1366, 13746520), (1405, 13364944), (2248, 8353090), (2446, 7676920), (2732, 6873260), (2810, 6682472), (3415, 5498608), (4496, 4176545), (4892, 3838460), (5464, 3436630), (5620, 3341236), (6115, 3070768), (6830, 2749304), (9784, 1919230), (10928, 1718315), (11240, 1670618), (12230, 1535384), (13660, 1374652), (19568, 959615), (22480, 835309), (24460, 767692), (27320, 687326), (48920, 383846), (54640, 343663), (97840, 191923)]