9161720

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1009}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 20725200

約数和(自身を除く): 11563480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1009, 1135, 1816, 2018, 2270, 4036, 4540, 5045, 8072, 9080, 10090, 20180, 40360, 229043, 458086, 916172, 1145215, 1832344, 2290430, 4580860, 9161720]

約数ペア:

[(1, 9161720), (2, 4580860), (4, 2290430), (5, 1832344), (8, 1145215), (10, 916172), (20, 458086), (40, 229043), (227, 40360), (454, 20180), (908, 10090), (1009, 9080), (1135, 8072), (1816, 5045), (2018, 4540), (2270, 4036)]