201551860

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{45191}}^1$

素因数の和:45423

約数の個数: 24

約数和(自身を含む): 425166336

約数和(自身を除く): 223614476

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 45191, 90382, 180764, 225955, 451910, 903820, 10077593, 20155186, 40310372, 50387965, 100775930, 201551860]

約数ペア:

[(1, 201551860), (2, 100775930), (4, 50387965), (5, 40310372), (10, 20155186), (20, 10077593), (223, 903820), (446, 451910), (892, 225955), (1115, 180764), (2230, 90382), (4460, 45191)]