49613840

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1777}}^1$

素因数の和:2139

約数の個数: 40

約数和(自身を含む): 115747800

約数和(自身を除く): 66133960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 1777, 2792, 3490, 3554, 5584, 6980, 7108, 8885, 13960, 14216, 17770, 27920, 28432, 35540, 71080, 142160, 620173, 1240346, 2480692, 3100865, 4961384, 6201730, 9922768, 12403460, 24806920, 49613840]

約数ペア:

[(1, 49613840), (2, 24806920), (4, 12403460), (5, 9922768), (8, 6201730), (10, 4961384), (16, 3100865), (20, 2480692), (40, 1240346), (80, 620173), (349, 142160), (698, 71080), (1396, 35540), (1745, 28432), (1777, 27920), (2792, 17770), (3490, 14216), (3554, 13960), (5584, 8885), (6980, 7108)]