83571340

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{21211}}^1$

素因数の和:21417

約数の個数: 24

約数和(自身を含む): 176398992

約数和(自身を除く): 92827652

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 21211, 42422, 84844, 106055, 212110, 424220, 4178567, 8357134, 16714268, 20892835, 41785670, 83571340]

約数ペア:

[(1, 83571340), (2, 41785670), (4, 20892835), (5, 16714268), (10, 8357134), (20, 4178567), (197, 424220), (394, 212110), (788, 106055), (985, 84844), (1970, 42422), (3940, 21211)]