98781520

素因数分解:

$2^4\times 5^1\times {\mathrm{1234769}}^1$

素因数の和:1234782

約数の個数: 20

約数和(自身を含む): 229667220

約数和(自身を除く): 130885700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1234769, 2469538, 4939076, 6173845, 9878152, 12347690, 19756304, 24695380, 49390760, 98781520]

約数ペア:

[(1, 98781520), (2, 49390760), (4, 24695380), (5, 19756304), (8, 12347690), (10, 9878152), (16, 6173845), (20, 4939076), (40, 2469538), (80, 1234769)]