15960940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4051}}^1$

素因数の和:4257

約数の個数: 24

約数和(自身を含む): 33696432

約数和(自身を除く): 17735492

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4051, 8102, 16204, 20255, 40510, 81020, 798047, 1596094, 3192188, 3990235, 7980470, 15960940]

約数ペア:

[(1, 15960940), (2, 7980470), (4, 3990235), (5, 3192188), (10, 1596094), (20, 798047), (197, 81020), (394, 40510), (788, 20255), (985, 16204), (1970, 8102), (3940, 4051)]