81569470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5881}}^1$

素因数の和:5980

約数の個数: 32

約数和(自身を含む): 156696480

約数和(自身を除く): 75127010

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2774, 5881, 6935, 11762, 13870, 29405, 58810, 111739, 223478, 429313, 558695, 858626, 1117390, 2146565, 4293130, 8156947, 16313894, 40784735, 81569470]

約数ペア:

[(1, 81569470), (2, 40784735), (5, 16313894), (10, 8156947), (19, 4293130), (38, 2146565), (73, 1117390), (95, 858626), (146, 558695), (190, 429313), (365, 223478), (730, 111739), (1387, 58810), (2774, 29405), (5881, 13870), (6935, 11762)]