79571440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76511}}^1$

素因数の和:76537

約数の個数: 40

約数和(自身を含む): 199237248

約数和(自身を除く): 119665808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 76511, 153022, 306044, 382555, 612088, 765110, 994643, 1224176, 1530220, 1989286, 3060440, 3978572, 4973215, 6120880, 7957144, 9946430, 15914288, 19892860, 39785720, 79571440]

約数ペア:

[(1, 79571440), (2, 39785720), (4, 19892860), (5, 15914288), (8, 9946430), (10, 7957144), (13, 6120880), (16, 4973215), (20, 3978572), (26, 3060440), (40, 1989286), (52, 1530220), (65, 1224176), (80, 994643), (104, 765110), (130, 612088), (208, 382555), (260, 306044), (520, 153022), (1040, 76511)]