51348830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20789}}^1$

素因数の和:20828

約数の個数: 32

約数和(自身を含む): 104781600

約数和(自身を除く): 53432770

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 20789, 41578, 103945, 207890, 270257, 394991, 540514, 789982, 1351285, 1974955, 2702570, 3949910, 5134883, 10269766, 25674415, 51348830]

約数ペア:

[(1, 51348830), (2, 25674415), (5, 10269766), (10, 5134883), (13, 3949910), (19, 2702570), (26, 1974955), (38, 1351285), (65, 789982), (95, 540514), (130, 394991), (190, 270257), (247, 207890), (494, 103945), (1235, 41578), (2470, 20789)]