40279928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{387307}}^1$

素因数の和:387326

約数の個数: 16

約数和(自身を含む): 81334680

約数和(自身を除く): 41054752

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 387307, 774614, 1549228, 3098456, 5034991, 10069982, 20139964, 40279928]

約数ペア:

[(1, 40279928), (2, 20139964), (4, 10069982), (8, 5034991), (13, 3098456), (26, 1549228), (52, 774614), (104, 387307)]