17787996880

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{647}}^1\times {\mathrm{1223}}^1$

素因数の和:2164

約数の個数: 80

約数和(自身を含む): 41602408704

約数和(自身を除く): 23814411824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 647, 1124, 1223, 1294, 1405, 2248, 2446, 2588, 2810, 3235, 4496, 4892, 5176, 5620, 6115, 6470, 9784, 10352, 11240, 12230, 12940, 19568, 22480, 24460, 25880, 48920, 51760, 97840, 181807, 343663, 363614, 687326, 727228, 791281, 909035, 1374652, 1454456, 1582562, 1718315, 1818070, 2749304, 2908912, 3165124, 3436630, 3636140, 3956405, 5498608, 6330248, 6873260, 7272280, 7912810, 12660496, 13746520, 14544560, 15825620, 27493040, 31651240, 63302480, 222349961, 444699922, 889399844, 1111749805, 1778799688, 2223499610, 3557599376, 4446999220, 8893998440, 17787996880]

約数ペア:

[(1, 17787996880), (2, 8893998440), (4, 4446999220), (5, 3557599376), (8, 2223499610), (10, 1778799688), (16, 1111749805), (20, 889399844), (40, 444699922), (80, 222349961), (281, 63302480), (562, 31651240), (647, 27493040), (1124, 15825620), (1223, 14544560), (1294, 13746520), (1405, 12660496), (2248, 7912810), (2446, 7272280), (2588, 6873260), (2810, 6330248), (3235, 5498608), (4496, 3956405), (4892, 3636140), (5176, 3436630), (5620, 3165124), (6115, 2908912), (6470, 2749304), (9784, 1818070), (10352, 1718315), (11240, 1582562), (12230, 1454456), (12940, 1374652), (19568, 909035), (22480, 791281), (24460, 727228), (25880, 687326), (48920, 363614), (51760, 343663), (97840, 181807)]