82912180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{919}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 188254080

約数和(自身を除く): 105341900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347, 694, 919, 1388, 1735, 1838, 3470, 3676, 4511, 4595, 6940, 9022, 9190, 11947, 18044, 18380, 22555, 23894, 45110, 47788, 59735, 90220, 119470, 238940, 318893, 637786, 1275572, 1594465, 3188930, 4145609, 6377860, 8291218, 16582436, 20728045, 41456090, 82912180]

約数ペア:

[(1, 82912180), (2, 41456090), (4, 20728045), (5, 16582436), (10, 8291218), (13, 6377860), (20, 4145609), (26, 3188930), (52, 1594465), (65, 1275572), (130, 637786), (260, 318893), (347, 238940), (694, 119470), (919, 90220), (1388, 59735), (1735, 47788), (1838, 45110), (3470, 23894), (3676, 22555), (4511, 18380), (4595, 18044), (6940, 11947), (9022, 9190)]