16622440

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2789}}^1$

素因数の和:2949

約数の個数: 32

約数和(自身を含む): 37665000

約数和(自身を除く): 21042560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2789, 2980, 5578, 5960, 11156, 13945, 22312, 27890, 55780, 111560, 415561, 831122, 1662244, 2077805, 3324488, 4155610, 8311220, 16622440]

約数ペア:

[(1, 16622440), (2, 8311220), (4, 4155610), (5, 3324488), (8, 2077805), (10, 1662244), (20, 831122), (40, 415561), (149, 111560), (298, 55780), (596, 27890), (745, 22312), (1192, 13945), (1490, 11156), (2789, 5960), (2980, 5578)]