492440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 1194480

約数和(自身を除く): 702040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 947, 1894, 3788, 4735, 7576, 9470, 12311, 18940, 24622, 37880, 49244, 61555, 98488, 123110, 246220, 492440]

約数ペア:

[(1, 492440), (2, 246220), (4, 123110), (5, 98488), (8, 61555), (10, 49244), (13, 37880), (20, 24622), (26, 18940), (40, 12311), (52, 9470), (65, 7576), (104, 4735), (130, 3788), (260, 1894), (520, 947)]