1248650020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{879331}}^1$

素因数の和:879411

約数の個数: 24

約数和(自身を含む): 2659099968

約数和(自身を除く): 1410449948

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 879331, 1758662, 3517324, 4396655, 8793310, 17586620, 62432501, 124865002, 249730004, 312162505, 624325010, 1248650020]

約数ペア:

[(1, 1248650020), (2, 624325010), (4, 312162505), (5, 249730004), (10, 124865002), (20, 62432501), (71, 17586620), (142, 8793310), (284, 4396655), (355, 3517324), (710, 1758662), (1420, 879331)]