81194230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1009}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 157802400

約数和(自身を除く): 76608170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 619, 1009, 1238, 2018, 3095, 5045, 6190, 8047, 10090, 13117, 16094, 26234, 40235, 65585, 80470, 131170, 624571, 1249142, 3122855, 6245710, 8119423, 16238846, 40597115, 81194230]

約数ペア:

[(1, 81194230), (2, 40597115), (5, 16238846), (10, 8119423), (13, 6245710), (26, 3122855), (65, 1249142), (130, 624571), (619, 131170), (1009, 80470), (1238, 65585), (2018, 40235), (3095, 26234), (5045, 16094), (6190, 13117), (8047, 10090)]