9405520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1423

約数の個数: 40

約数和(自身を含む): 22130280

約数和(自身を除く): 12724760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1321, 1424, 1780, 2642, 3560, 5284, 6605, 7120, 10568, 13210, 21136, 26420, 52840, 105680, 117569, 235138, 470276, 587845, 940552, 1175690, 1881104, 2351380, 4702760, 9405520]

約数ペア:

[(1, 9405520), (2, 4702760), (4, 2351380), (5, 1881104), (8, 1175690), (10, 940552), (16, 587845), (20, 470276), (40, 235138), (80, 117569), (89, 105680), (178, 52840), (356, 26420), (445, 21136), (712, 13210), (890, 10568), (1321, 7120), (1424, 6605), (1780, 5284), (2642, 3560)]