16043680

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 38170440

約数和(自身を除く): 22126760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 509, 788, 985, 1018, 1576, 1970, 2036, 2545, 3152, 3940, 4072, 5090, 6304, 7880, 8144, 10180, 15760, 16288, 20360, 31520, 40720, 81440, 100273, 200546, 401092, 501365, 802184, 1002730, 1604368, 2005460, 3208736, 4010920, 8021840, 16043680]

約数ペア:

[(1, 16043680), (2, 8021840), (4, 4010920), (5, 3208736), (8, 2005460), (10, 1604368), (16, 1002730), (20, 802184), (32, 501365), (40, 401092), (80, 200546), (160, 100273), (197, 81440), (394, 40720), (509, 31520), (788, 20360), (985, 16288), (1018, 15760), (1576, 10180), (1970, 8144), (2036, 7880), (2545, 6304), (3152, 5090), (3940, 4072)]