78813800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30313}}^1$

素因数の和:30342

約数の個数: 48

約数和(自身を含む): 197344140

約数和(自身を除く): 118530340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 30313, 60626, 121252, 151565, 242504, 303130, 394069, 606260, 757825, 788138, 1212520, 1515650, 1576276, 1970345, 3031300, 3152552, 3940690, 6062600, 7881380, 9851725, 15762760, 19703450, 39406900, 78813800]

約数ペア:

[(1, 78813800), (2, 39406900), (4, 19703450), (5, 15762760), (8, 9851725), (10, 7881380), (13, 6062600), (20, 3940690), (25, 3152552), (26, 3031300), (40, 1970345), (50, 1576276), (52, 1515650), (65, 1212520), (100, 788138), (104, 757825), (130, 606260), (200, 394069), (260, 303130), (325, 242504), (520, 151565), (650, 121252), (1300, 60626), (2600, 30313)]