131013080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{297757}}^1$

素因数の和:297779

約数の個数: 32

約数和(自身を含む): 321578640

約数和(自身を除く): 190565560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 297757, 595514, 1191028, 1488785, 2382056, 2977570, 3275327, 5955140, 6550654, 11910280, 13101308, 16376635, 26202616, 32753270, 65506540, 131013080]

約数ペア:

[(1, 131013080), (2, 65506540), (4, 32753270), (5, 26202616), (8, 16376635), (10, 13101308), (11, 11910280), (20, 6550654), (22, 5955140), (40, 3275327), (44, 2977570), (55, 2382056), (88, 1488785), (110, 1191028), (220, 595514), (440, 297757)]