40475440

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1321}}^1$

素因数の和:1717

約数の個数: 40

約数和(自身を含む): 94422528

約数和(自身を除く): 53947088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1321, 1532, 1915, 2642, 3064, 3830, 5284, 6128, 6605, 7660, 10568, 13210, 15320, 21136, 26420, 30640, 52840, 105680, 505943, 1011886, 2023772, 2529715, 4047544, 5059430, 8095088, 10118860, 20237720, 40475440]

約数ペア:

[(1, 40475440), (2, 20237720), (4, 10118860), (5, 8095088), (8, 5059430), (10, 4047544), (16, 2529715), (20, 2023772), (40, 1011886), (80, 505943), (383, 105680), (766, 52840), (1321, 30640), (1532, 26420), (1915, 21136), (2642, 15320), (3064, 13210), (3830, 10568), (5284, 7660), (6128, 6605)]