129647548820

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{18681203}}^1$

素因数の和:18681559

約数の個数: 24

約数和(自身を含む): 273044477664

約数和(自身を除く): 143396928844

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 18681203, 37362406, 74724812, 93406015, 186812030, 373624060, 6482377441, 12964754882, 25929509764, 32411887205, 64823774410, 129647548820]

約数ペア:

[(1, 129647548820), (2, 64823774410), (4, 32411887205), (5, 25929509764), (10, 12964754882), (20, 6482377441), (347, 373624060), (694, 186812030), (1388, 93406015), (1735, 74724812), (3470, 37362406), (6940, 18681203)]