5115760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4919}}^1$

素因数の和:4945

約数の個数: 40

約数和(自身を含む): 12811680

約数和(自身を除く): 7695920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4919, 9838, 19676, 24595, 39352, 49190, 63947, 78704, 98380, 127894, 196760, 255788, 319735, 393520, 511576, 639470, 1023152, 1278940, 2557880, 5115760]

約数ペア:

[(1, 5115760), (2, 2557880), (4, 1278940), (5, 1023152), (8, 639470), (10, 511576), (13, 393520), (16, 319735), (20, 255788), (26, 196760), (40, 127894), (52, 98380), (65, 78704), (80, 63947), (104, 49190), (130, 39352), (208, 24595), (260, 19676), (520, 9838), (1040, 4919)]