8409700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6469}}^1$

素因数の和:6496

約数の個数: 36

約数和(自身を含む): 19655860

約数和(自身を除く): 11246160

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 6469, 12938, 25876, 32345, 64690, 84097, 129380, 161725, 168194, 323450, 336388, 420485, 646900, 840970, 1681940, 2102425, 4204850, 8409700]

約数ペア:

[(1, 8409700), (2, 4204850), (4, 2102425), (5, 1681940), (10, 840970), (13, 646900), (20, 420485), (25, 336388), (26, 323450), (50, 168194), (52, 161725), (65, 129380), (100, 84097), (130, 64690), (260, 32345), (325, 25876), (650, 12938), (1300, 6469)]