984880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:973

約数の個数: 40

約数和(自身を含む): 2468592

約数和(自身を除く): 1483712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 947, 1040, 1894, 3788, 4735, 7576, 9470, 12311, 15152, 18940, 24622, 37880, 49244, 61555, 75760, 98488, 123110, 196976, 246220, 492440, 984880]

約数ペア:

[(1, 984880), (2, 492440), (4, 246220), (5, 196976), (8, 123110), (10, 98488), (13, 75760), (16, 61555), (20, 49244), (26, 37880), (40, 24622), (52, 18940), (65, 15152), (80, 12311), (104, 9470), (130, 7576), (208, 4735), (260, 3788), (520, 1894), (947, 1040)]