400121776

素因数分解:

$2^4\times {\mathrm{1879}}^1\times {\mathrm{13309}}^1$

素因数の和:15196

約数の個数: 20

約数和(自身を含む): 775706800

約数和(自身を除く): 375585024

約数列:

[1, 2, 4, 8, 16, 1879, 3758, 7516, 13309, 15032, 26618, 30064, 53236, 106472, 212944, 25007611, 50015222, 100030444, 200060888, 400121776]

約数ペア:

[(1, 400121776), (2, 200060888), (4, 100030444), (8, 50015222), (16, 25007611), (1879, 212944), (3758, 106472), (7516, 53236), (13309, 30064), (15032, 26618)]