39745960

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2243}}^1$

素因数の和:2697

約数の個数: 32

約数和(自身を含む): 89670240

約数和(自身を除く): 49924280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 2243, 3544, 4430, 4486, 8860, 8972, 11215, 17720, 17944, 22430, 44860, 89720, 993649, 1987298, 3974596, 4968245, 7949192, 9936490, 19872980, 39745960]

約数ペア:

[(1, 39745960), (2, 19872980), (4, 9936490), (5, 7949192), (8, 4968245), (10, 3974596), (20, 1987298), (40, 993649), (443, 89720), (886, 44860), (1772, 22430), (2215, 17944), (2243, 17720), (3544, 11215), (4430, 8972), (4486, 8860)]