85863160

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5407}}^1$

素因数の和:5815

約数の個数: 32

約数和(自身を含む): 193714560

約数和(自身を除く): 107851400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 5407, 7940, 10814, 15880, 21628, 27035, 43256, 54070, 108140, 216280, 2146579, 4293158, 8586316, 10732895, 17172632, 21465790, 42931580, 85863160]

約数ペア:

[(1, 85863160), (2, 42931580), (4, 21465790), (5, 17172632), (8, 10732895), (10, 8586316), (20, 4293158), (40, 2146579), (397, 216280), (794, 108140), (1588, 54070), (1985, 43256), (3176, 27035), (3970, 21628), (5407, 15880), (7940, 10814)]