40027480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24407}}^1$

素因数の和:24459

約数の個数: 32

約数和(自身を含む): 92262240

約数和(自身を除く): 52234760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24407, 48814, 97628, 122035, 195256, 244070, 488140, 976280, 1000687, 2001374, 4002748, 5003435, 8005496, 10006870, 20013740, 40027480]

約数ペア:

[(1, 40027480), (2, 20013740), (4, 10006870), (5, 8005496), (8, 5003435), (10, 4002748), (20, 2001374), (40, 1000687), (41, 976280), (82, 488140), (164, 244070), (205, 195256), (328, 122035), (410, 97628), (820, 48814), (1640, 24407)]