220711360

素因数分解:

$2^6\times 5^1\times {\mathrm{689723}}^1$

素因数の和:689740

約数の個数: 28

約数和(自身を含む): 525569688

約数和(自身を除く): 304858328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 689723, 1379446, 2758892, 3448615, 5517784, 6897230, 11035568, 13794460, 22071136, 27588920, 44142272, 55177840, 110355680, 220711360]

約数ペア:

[(1, 220711360), (2, 110355680), (4, 55177840), (5, 44142272), (8, 27588920), (10, 22071136), (16, 13794460), (20, 11035568), (32, 6897230), (40, 5517784), (64, 3448615), (80, 2758892), (160, 1379446), (320, 689723)]