2039969240

素因数分解:

$2^3\times 5^1\times {\mathrm{4663}}^1\times {\mathrm{10937}}^1$

素因数の和:15611

約数の個数: 32

約数和(自身を含む): 4591334880

約数和(自身を除く): 2551365640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4663, 9326, 10937, 18652, 21874, 23315, 37304, 43748, 46630, 54685, 87496, 93260, 109370, 186520, 218740, 437480, 50999231, 101998462, 203996924, 254996155, 407993848, 509992310, 1019984620, 2039969240]

約数ペア:

[(1, 2039969240), (2, 1019984620), (4, 509992310), (5, 407993848), (8, 254996155), (10, 203996924), (20, 101998462), (40, 50999231), (4663, 437480), (9326, 218740), (10937, 186520), (18652, 109370), (21874, 93260), (23315, 87496), (37304, 54685), (43748, 46630)]