40571320

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7297}}^1$

素因数の和:7447

約数の個数: 32

約数和(自身を含む): 91954800

約数和(自身を除く): 51383480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 7297, 14594, 29188, 36485, 58376, 72970, 145940, 291880, 1014283, 2028566, 4057132, 5071415, 8114264, 10142830, 20285660, 40571320]

約数ペア:

[(1, 40571320), (2, 20285660), (4, 10142830), (5, 8114264), (8, 5071415), (10, 4057132), (20, 2028566), (40, 1014283), (139, 291880), (278, 145940), (556, 72970), (695, 58376), (1112, 36485), (1390, 29188), (2780, 14594), (5560, 7297)]