20072049850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{155537}}^1$

素因数の和:155667

約数の個数: 48

約数和(自身を含む): 39055591800

約数和(自身を除く): 18983541950

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 89, 145, 178, 290, 445, 725, 890, 1450, 2225, 2581, 4450, 5162, 12905, 25810, 64525, 129050, 155537, 311074, 777685, 1555370, 3888425, 4510573, 7776850, 9021146, 13842793, 22552865, 27685586, 45105730, 69213965, 112764325, 138427930, 225528650, 346069825, 401440997, 692139650, 802881994, 2007204985, 4014409970, 10036024925, 20072049850]

約数ペア:

[(1, 20072049850), (2, 10036024925), (5, 4014409970), (10, 2007204985), (25, 802881994), (29, 692139650), (50, 401440997), (58, 346069825), (89, 225528650), (145, 138427930), (178, 112764325), (290, 69213965), (445, 45105730), (725, 27685586), (890, 22552865), (1450, 13842793), (2225, 9021146), (2581, 7776850), (4450, 4510573), (5162, 3888425), (12905, 1555370), (25810, 777685), (64525, 311074), (129050, 155537)]