2100081544720

素因数分解:

$2^4\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{13896781}}^1$

素因数の和:13898683

約数の個数: 40

約数和(自身を含む): 4885274744280

約数和(自身を除く): 2785193199560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1889, 3778, 7556, 9445, 15112, 18890, 30224, 37780, 75560, 151120, 13896781, 27793562, 55587124, 69483905, 111174248, 138967810, 222348496, 277935620, 555871240, 1111742480, 26251019309, 52502038618, 105004077236, 131255096545, 210008154472, 262510193090, 420016308944, 525020386180, 1050040772360, 2100081544720]

約数ペア:

[(1, 2100081544720), (2, 1050040772360), (4, 525020386180), (5, 420016308944), (8, 262510193090), (10, 210008154472), (16, 131255096545), (20, 105004077236), (40, 52502038618), (80, 26251019309), (1889, 1111742480), (3778, 555871240), (7556, 277935620), (9445, 222348496), (15112, 138967810), (18890, 111174248), (30224, 69483905), (37780, 55587124), (75560, 27793562), (151120, 13896781)]