12615980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48523}}^1$

素因数の和:48545

約数の個数: 24

約数和(自身を含む): 28532112

約数和(自身を除く): 15916132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48523, 97046, 194092, 242615, 485230, 630799, 970460, 1261598, 2523196, 3153995, 6307990, 12615980]

約数ペア:

[(1, 12615980), (2, 6307990), (4, 3153995), (5, 2523196), (10, 1261598), (13, 970460), (20, 630799), (26, 485230), (52, 242615), (65, 194092), (130, 97046), (260, 48523)]