406285120

素因数分解:

$2^6\times 5^1\times {\mathrm{1269641}}^1$

素因数の和:1269658

約数の個数: 28

約数和(自身を含む): 967467204

約数和(自身を除く): 561182084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1269641, 2539282, 5078564, 6348205, 10157128, 12696410, 20314256, 25392820, 40628512, 50785640, 81257024, 101571280, 203142560, 406285120]

約数ペア:

[(1, 406285120), (2, 203142560), (4, 101571280), (5, 81257024), (8, 50785640), (10, 40628512), (16, 25392820), (20, 20314256), (32, 12696410), (40, 10157128), (64, 6348205), (80, 5078564), (160, 2539282), (320, 1269641)]