78022880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37511}}^1$

素因数の和:37539

約数の個数: 48

約数和(自身を含む): 198513504

約数和(自身を除く): 120490624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 37511, 75022, 150044, 187555, 300088, 375110, 487643, 600176, 750220, 975286, 1200352, 1500440, 1950572, 2438215, 3000880, 3901144, 4876430, 6001760, 7802288, 9752860, 15604576, 19505720, 39011440, 78022880]

約数ペア:

[(1, 78022880), (2, 39011440), (4, 19505720), (5, 15604576), (8, 9752860), (10, 7802288), (13, 6001760), (16, 4876430), (20, 3901144), (26, 3000880), (32, 2438215), (40, 1950572), (52, 1500440), (65, 1200352), (80, 975286), (104, 750220), (130, 600176), (160, 487643), (208, 375110), (260, 300088), (416, 187555), (520, 150044), (1040, 75022), (2080, 37511)]