838433920

素因数分解:

$2^7\times 5^1\times {\mathrm{1310053}}^1$

素因数の和:1310072

約数の個数: 32

約数和(自身を含む): 2004382620

約数和(自身を除く): 1165948700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1310053, 2620106, 5240212, 6550265, 10480424, 13100530, 20960848, 26201060, 41921696, 52402120, 83843392, 104804240, 167686784, 209608480, 419216960, 838433920]

約数ペア:

[(1, 838433920), (2, 419216960), (4, 209608480), (5, 167686784), (8, 104804240), (10, 83843392), (16, 52402120), (20, 41921696), (32, 26201060), (40, 20960848), (64, 13100530), (80, 10480424), (128, 6550265), (160, 5240212), (320, 2620106), (640, 1310053)]