2008064920

素因数分解:

$2^3\times 5^1\times {\mathrm{12541}}^1\times {\mathrm{4003}}^1$

素因数の和:16555

約数の個数: 32

約数和(自身を含む): 4519635120

約数和(自身を除く): 2511570200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4003, 8006, 12541, 16012, 20015, 25082, 32024, 40030, 50164, 62705, 80060, 100328, 125410, 160120, 250820, 501640, 50201623, 100403246, 200806492, 251008115, 401612984, 502016230, 1004032460, 2008064920]

約数ペア:

[(1, 2008064920), (2, 1004032460), (4, 502016230), (5, 401612984), (8, 251008115), (10, 200806492), (20, 100403246), (40, 50201623), (4003, 501640), (8006, 250820), (12541, 160120), (16012, 125410), (20015, 100328), (25082, 80060), (32024, 62705), (40030, 50164)]