71840800

素因数分解:

$2^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1118

約数の個数: 72

約数和(自身を含む): 177527700

約数和(自身を除く): 105686900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 160, 178, 200, 356, 400, 445, 712, 800, 890, 1009, 1424, 1780, 2018, 2225, 2848, 3560, 4036, 4450, 5045, 7120, 8072, 8900, 10090, 14240, 16144, 17800, 20180, 25225, 32288, 35600, 40360, 50450, 71200, 80720, 89801, 100900, 161440, 179602, 201800, 359204, 403600, 449005, 718408, 807200, 898010, 1436816, 1796020, 2245025, 2873632, 3592040, 4490050, 7184080, 8980100, 14368160, 17960200, 35920400, 71840800]

約数ペア:

[(1, 71840800), (2, 35920400), (4, 17960200), (5, 14368160), (8, 8980100), (10, 7184080), (16, 4490050), (20, 3592040), (25, 2873632), (32, 2245025), (40, 1796020), (50, 1436816), (80, 898010), (89, 807200), (100, 718408), (160, 449005), (178, 403600), (200, 359204), (356, 201800), (400, 179602), (445, 161440), (712, 100900), (800, 89801), (890, 80720), (1009, 71200), (1424, 50450), (1780, 40360), (2018, 35600), (2225, 32288), (2848, 25225), (3560, 20180), (4036, 17800), (4450, 16144), (5045, 14240), (7120, 10090), (8072, 8900)]