2012638480

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{887}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 4744946304

約数和(自身を除く): 2732307824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 251, 452, 502, 565, 887, 904, 1004, 1130, 1255, 1774, 1808, 2008, 2260, 2510, 3548, 4016, 4435, 4520, 5020, 7096, 8870, 9040, 10040, 14192, 17740, 20080, 28363, 35480, 56726, 70960, 100231, 113452, 141815, 200462, 222637, 226904, 283630, 400924, 445274, 453808, 501155, 567260, 801848, 890548, 1002310, 1113185, 1134520, 1603696, 1781096, 2004620, 2226370, 2269040, 3562192, 4009240, 4452740, 8018480, 8905480, 17810960, 25157981, 50315962, 100631924, 125789905, 201263848, 251579810, 402527696, 503159620, 1006319240, 2012638480]

約数ペア:

[(1, 2012638480), (2, 1006319240), (4, 503159620), (5, 402527696), (8, 251579810), (10, 201263848), (16, 125789905), (20, 100631924), (40, 50315962), (80, 25157981), (113, 17810960), (226, 8905480), (251, 8018480), (452, 4452740), (502, 4009240), (565, 3562192), (887, 2269040), (904, 2226370), (1004, 2004620), (1130, 1781096), (1255, 1603696), (1774, 1134520), (1808, 1113185), (2008, 1002310), (2260, 890548), (2510, 801848), (3548, 567260), (4016, 501155), (4435, 453808), (4520, 445274), (5020, 400924), (7096, 283630), (8870, 226904), (9040, 222637), (10040, 200462), (14192, 141815), (17740, 113452), (20080, 100231), (28363, 70960), (35480, 56726)]