205641340

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{56807}}^1$

素因数の和:56997

約数の個数: 24

約数和(自身を含む): 434240352

約数和(自身を除く): 228599012

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 56807, 113614, 227228, 284035, 568070, 1136140, 10282067, 20564134, 41128268, 51410335, 102820670, 205641340]

約数ペア:

[(1, 205641340), (2, 102820670), (4, 51410335), (5, 41128268), (10, 20564134), (20, 10282067), (181, 1136140), (362, 568070), (724, 284035), (905, 227228), (1810, 113614), (3620, 56807)]