12679780

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2843}}^1$

素因数の和:3075

約数の個数: 24

約数和(自身を含む): 26756352

約数和(自身を除く): 14076572

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 2843, 4460, 5686, 11372, 14215, 28430, 56860, 633989, 1267978, 2535956, 3169945, 6339890, 12679780]

約数ペア:

[(1, 12679780), (2, 6339890), (4, 3169945), (5, 2535956), (10, 1267978), (20, 633989), (223, 56860), (446, 28430), (892, 14215), (1115, 11372), (2230, 5686), (2843, 4460)]