1330275440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279111}}^1$

素因数の和:1279137

約数の個数: 40

約数和(自身を含む): 3330807648

約数和(自身を除く): 2000532208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1279111, 2558222, 5116444, 6395555, 10232888, 12791110, 16628443, 20465776, 25582220, 33256886, 51164440, 66513772, 83142215, 102328880, 133027544, 166284430, 266055088, 332568860, 665137720, 1330275440]

約数ペア:

[(1, 1330275440), (2, 665137720), (4, 332568860), (5, 266055088), (8, 166284430), (10, 133027544), (13, 102328880), (16, 83142215), (20, 66513772), (26, 51164440), (40, 33256886), (52, 25582220), (65, 20465776), (80, 16628443), (104, 12791110), (130, 10232888), (208, 6395555), (260, 5116444), (520, 2558222), (1040, 1279111)]