81118070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2113}}^1$

素因数の和:2480

約数の個数: 32

約数和(自身を含む): 159818400

約数和(自身を除く): 78700330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 349, 698, 1745, 2113, 3490, 3839, 4226, 7678, 10565, 19195, 21130, 23243, 38390, 46486, 116215, 232430, 737437, 1474874, 3687185, 7374370, 8111807, 16223614, 40559035, 81118070]

約数ペア:

[(1, 81118070), (2, 40559035), (5, 16223614), (10, 8111807), (11, 7374370), (22, 3687185), (55, 1474874), (110, 737437), (349, 232430), (698, 116215), (1745, 46486), (2113, 38390), (3490, 23243), (3839, 21130), (4226, 19195), (7678, 10565)]