1980380

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1193}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 4212432

約数和(自身を除く): 2232052

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1193, 1660, 2386, 4772, 5965, 11930, 23860, 99019, 198038, 396076, 495095, 990190, 1980380]

約数ペア:

[(1, 1980380), (2, 990190), (4, 495095), (5, 396076), (10, 198038), (20, 99019), (83, 23860), (166, 11930), (332, 5965), (415, 4772), (830, 2386), (1193, 1660)]