66283120

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2087}}^1$

素因数の和:2497

約数の個数: 40

約数和(自身を含む): 154570464

約数和(自身を除く): 88287344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 2087, 3176, 3970, 4174, 6352, 7940, 8348, 10435, 15880, 16696, 20870, 31760, 33392, 41740, 83480, 166960, 828539, 1657078, 3314156, 4142695, 6628312, 8285390, 13256624, 16570780, 33141560, 66283120]

約数ペア:

[(1, 66283120), (2, 33141560), (4, 16570780), (5, 13256624), (8, 8285390), (10, 6628312), (16, 4142695), (20, 3314156), (40, 1657078), (80, 828539), (397, 166960), (794, 83480), (1588, 41740), (1985, 33392), (2087, 31760), (3176, 20870), (3970, 16696), (4174, 15880), (6352, 10435), (7940, 8348)]