127892440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18919}}^1$

素因数の和:18956

約数の個数: 48

約数和(自身を含む): 311612400

約数和(自身を除く): 183719960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 18919, 37838, 75676, 94595, 151352, 189190, 245947, 378380, 491894, 756760, 983788, 1229735, 1967576, 2459470, 3197311, 4918940, 6394622, 9837880, 12789244, 15986555, 25578488, 31973110, 63946220, 127892440]

約数ペア:

[(1, 127892440), (2, 63946220), (4, 31973110), (5, 25578488), (8, 15986555), (10, 12789244), (13, 9837880), (20, 6394622), (26, 4918940), (40, 3197311), (52, 2459470), (65, 1967576), (104, 1229735), (130, 983788), (169, 756760), (260, 491894), (338, 378380), (520, 245947), (676, 189190), (845, 151352), (1352, 94595), (1690, 75676), (3380, 37838), (6760, 18919)]