40354420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 90857088

約数和(自身を除く): 50502668

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 2371, 3404, 4255, 4742, 8510, 9484, 11855, 17020, 23710, 47420, 54533, 87727, 109066, 175454, 218132, 272665, 350908, 438635, 545330, 877270, 1090660, 1754540, 2017721, 4035442, 8070884, 10088605, 20177210, 40354420]

約数ペア:

[(1, 40354420), (2, 20177210), (4, 10088605), (5, 8070884), (10, 4035442), (20, 2017721), (23, 1754540), (37, 1090660), (46, 877270), (74, 545330), (92, 438635), (115, 350908), (148, 272665), (185, 218132), (230, 175454), (370, 109066), (460, 87727), (740, 54533), (851, 47420), (1702, 23710), (2371, 17020), (3404, 11855), (4255, 9484), (4742, 8510)]