56788940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218419}}^1$

素因数の和:218441

約数の個数: 24

約数和(自身を含む): 128430960

約数和(自身を除く): 71642020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 218419, 436838, 873676, 1092095, 2184190, 2839447, 4368380, 5678894, 11357788, 14197235, 28394470, 56788940]

約数ペア:

[(1, 56788940), (2, 28394470), (4, 14197235), (5, 11357788), (10, 5678894), (13, 4368380), (20, 2839447), (26, 2184190), (52, 1092095), (65, 873676), (130, 436838), (260, 218419)]