440180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1$

素因数の和:1715

約数の個数: 24

約数和(自身を含む): 996072

約数和(自身を除く): 555892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1693, 3386, 6772, 8465, 16930, 22009, 33860, 44018, 88036, 110045, 220090, 440180]

約数ペア:

[(1, 440180), (2, 220090), (4, 110045), (5, 88036), (10, 44018), (13, 33860), (20, 22009), (26, 16930), (52, 8465), (65, 6772), (130, 3386), (260, 1693)]