56212120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19793}}^1$

素因数の和:19875

約数の個数: 32

約数和(自身を含む): 128265120

約数和(自身を除く): 72053000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19793, 39586, 79172, 98965, 158344, 197930, 395860, 791720, 1405303, 2810606, 5621212, 7026515, 11242424, 14053030, 28106060, 56212120]

約数ペア:

[(1, 56212120), (2, 28106060), (4, 14053030), (5, 11242424), (8, 7026515), (10, 5621212), (20, 2810606), (40, 1405303), (71, 791720), (142, 395860), (284, 197930), (355, 158344), (568, 98965), (710, 79172), (1420, 39586), (2840, 19793)]