90678380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{348763}}^1$

素因数の和:348785

約数の個数: 24

約数和(自身を含む): 205073232

約数和(自身を除く): 114394852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 348763, 697526, 1395052, 1743815, 3487630, 4533919, 6975260, 9067838, 18135676, 22669595, 45339190, 90678380]

約数ペア:

[(1, 90678380), (2, 45339190), (4, 22669595), (5, 18135676), (10, 9067838), (13, 6975260), (20, 4533919), (26, 3487630), (52, 1743815), (65, 1395052), (130, 697526), (260, 348763)]