51606620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2719}}^1$

素因数の和:2814

約数の個数: 48

約数和(自身を含む): 118352640

約数和(自身を除く): 66746020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 2719, 3796, 4745, 5438, 9490, 10876, 13595, 18980, 27190, 35347, 54380, 70694, 141388, 176735, 198487, 353470, 396974, 706940, 793948, 992435, 1984870, 2580331, 3969740, 5160662, 10321324, 12901655, 25803310, 51606620]

約数ペア:

[(1, 51606620), (2, 25803310), (4, 12901655), (5, 10321324), (10, 5160662), (13, 3969740), (20, 2580331), (26, 1984870), (52, 992435), (65, 793948), (73, 706940), (130, 396974), (146, 353470), (260, 198487), (292, 176735), (365, 141388), (730, 70694), (949, 54380), (1460, 35347), (1898, 27190), (2719, 18980), (3796, 13595), (4745, 10876), (5438, 9490)]