12393940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 28456848

約数和(自身を除く): 16062908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 653, 730, 949, 1306, 1460, 1898, 2612, 3265, 3796, 4745, 6530, 8489, 9490, 13060, 16978, 18980, 33956, 42445, 47669, 84890, 95338, 169780, 190676, 238345, 476690, 619697, 953380, 1239394, 2478788, 3098485, 6196970, 12393940]

約数ペア:

[(1, 12393940), (2, 6196970), (4, 3098485), (5, 2478788), (10, 1239394), (13, 953380), (20, 619697), (26, 476690), (52, 238345), (65, 190676), (73, 169780), (130, 95338), (146, 84890), (260, 47669), (292, 42445), (365, 33956), (653, 18980), (730, 16978), (949, 13060), (1306, 9490), (1460, 8489), (1898, 6530), (2612, 4745), (3265, 3796)]