640372056

素因数分解:

$2^3\times 3^1\times {\mathrm{26682169}}^1$

素因数の和:26682178

約数の個数: 16

約数和(自身を含む): 1600930200

約数和(自身を除く): 960558144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 26682169, 53364338, 80046507, 106728676, 160093014, 213457352, 320186028, 640372056]

約数ペア:

[(1, 640372056), (2, 320186028), (3, 213457352), (4, 160093014), (6, 106728676), (8, 80046507), (12, 53364338), (24, 26682169)]