138835520

素因数分解:

$2^6\times 5^1\times {\mathrm{433861}}^1$

素因数の和:433878

約数の個数: 28

約数和(自身を含む): 330602844

約数和(自身を除く): 191767324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 433861, 867722, 1735444, 2169305, 3470888, 4338610, 6941776, 8677220, 13883552, 17354440, 27767104, 34708880, 69417760, 138835520]

約数ペア:

[(1, 138835520), (2, 69417760), (4, 34708880), (5, 27767104), (8, 17354440), (10, 13883552), (16, 8677220), (20, 6941776), (32, 4338610), (40, 3470888), (64, 2169305), (80, 1735444), (160, 867722), (320, 433861)]