27778660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15263}}^1$

素因数の和:15292

約数の個数: 48

約数和(自身を含む): 71801856

約数和(自身を除く): 44023196

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15263, 30526, 61052, 76315, 106841, 152630, 198419, 213682, 305260, 396838, 427364, 534205, 793676, 992095, 1068410, 1388933, 1984190, 2136820, 2777866, 3968380, 5555732, 6944665, 13889330, 27778660]

約数ペア:

[(1, 27778660), (2, 13889330), (4, 6944665), (5, 5555732), (7, 3968380), (10, 2777866), (13, 2136820), (14, 1984190), (20, 1388933), (26, 1068410), (28, 992095), (35, 793676), (52, 534205), (65, 427364), (70, 396838), (91, 305260), (130, 213682), (140, 198419), (182, 152630), (260, 106841), (364, 76315), (455, 61052), (910, 30526), (1820, 15263)]