77380880

素因数分解:

$2^4\times 5^1\times {\mathrm{967261}}^1$

素因数の和:967274

約数の個数: 20

約数和(自身を含む): 179910732

約数和(自身を除く): 102529852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 967261, 1934522, 3869044, 4836305, 7738088, 9672610, 15476176, 19345220, 38690440, 77380880]

約数ペア:

[(1, 77380880), (2, 38690440), (4, 19345220), (5, 15476176), (8, 9672610), (10, 7738088), (16, 4836305), (20, 3869044), (40, 1934522), (80, 967261)]