53566640

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2153}}^1$

素因数の和:2477

約数の個数: 40

約数和(自身を含む): 125000928

約数和(自身を除く): 71434288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2153, 2488, 3110, 4306, 4976, 6220, 8612, 10765, 12440, 17224, 21530, 24880, 34448, 43060, 86120, 172240, 669583, 1339166, 2678332, 3347915, 5356664, 6695830, 10713328, 13391660, 26783320, 53566640]

約数ペア:

[(1, 53566640), (2, 26783320), (4, 13391660), (5, 10713328), (8, 6695830), (10, 5356664), (16, 3347915), (20, 2678332), (40, 1339166), (80, 669583), (311, 172240), (622, 86120), (1244, 43060), (1555, 34448), (2153, 24880), (2488, 21530), (3110, 17224), (4306, 12440), (4976, 10765), (6220, 8612)]