520070440

素因数分解:

$2^3\times 5^1\times {\mathrm{13001761}}^1$

素因数の和:13001772

約数の個数: 16

約数和(自身を含む): 1170158580

約数和(自身を除く): 650088140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13001761, 26003522, 52007044, 65008805, 104014088, 130017610, 260035220, 520070440]

約数ペア:

[(1, 520070440), (2, 260035220), (4, 130017610), (5, 104014088), (8, 65008805), (10, 52007044), (20, 26003522), (40, 13001761)]