2012489320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{6271}}^1$

素因数の和:6466

約数の個数: 64

約数和(自身を含む): 4633251840

約数和(自身を除く): 2620762520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 113, 142, 226, 284, 355, 452, 565, 568, 710, 904, 1130, 1420, 2260, 2840, 4520, 6271, 8023, 12542, 16046, 25084, 31355, 32092, 40115, 50168, 62710, 64184, 80230, 125420, 160460, 250840, 320920, 445241, 708623, 890482, 1417246, 1780964, 2226205, 2834492, 3543115, 3561928, 4452410, 5668984, 7086230, 8904820, 14172460, 17809640, 28344920, 50312233, 100624466, 201248932, 251561165, 402497864, 503122330, 1006244660, 2012489320]

約数ペア:

[(1, 2012489320), (2, 1006244660), (4, 503122330), (5, 402497864), (8, 251561165), (10, 201248932), (20, 100624466), (40, 50312233), (71, 28344920), (113, 17809640), (142, 14172460), (226, 8904820), (284, 7086230), (355, 5668984), (452, 4452410), (565, 3561928), (568, 3543115), (710, 2834492), (904, 2226205), (1130, 1780964), (1420, 1417246), (2260, 890482), (2840, 708623), (4520, 445241), (6271, 320920), (8023, 250840), (12542, 160460), (16046, 125420), (25084, 80230), (31355, 64184), (32092, 62710), (40115, 50168)]