40819790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19531}}^1$

素因数の和:19568

約数の個数: 32

約数和(自身を含む): 84378240

約数和(自身を除く): 43558450

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 19531, 39062, 97655, 195310, 214841, 371089, 429682, 742178, 1074205, 1855445, 2148410, 3710890, 4081979, 8163958, 20409895, 40819790]

約数ペア:

[(1, 40819790), (2, 20409895), (5, 8163958), (10, 4081979), (11, 3710890), (19, 2148410), (22, 1855445), (38, 1074205), (55, 742178), (95, 429682), (110, 371089), (190, 214841), (209, 195310), (418, 97655), (1045, 39062), (2090, 19531)]