27935440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26861}}^1$

素因数の和:26887

約数の個数: 40

約数和(自身を含む): 69948648

約数和(自身を除く): 42013208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26861, 53722, 107444, 134305, 214888, 268610, 349193, 429776, 537220, 698386, 1074440, 1396772, 1745965, 2148880, 2793544, 3491930, 5587088, 6983860, 13967720, 27935440]

約数ペア:

[(1, 27935440), (2, 13967720), (4, 6983860), (5, 5587088), (8, 3491930), (10, 2793544), (13, 2148880), (16, 1745965), (20, 1396772), (26, 1074440), (40, 698386), (52, 537220), (65, 429776), (80, 349193), (104, 268610), (130, 214888), (208, 134305), (260, 107444), (520, 53722), (1040, 26861)]