89640800

素因数分解:

$2^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1368

約数の個数: 72

約数和(自身を含む): 221470200

約数和(自身を除く): 131829400

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, 1259, 1424, 1780, 2225, 2518, 2848, 3560, 4450, 5036, 6295, 7120, 8900, 10072, 12590, 14240, 17800, 20144, 25180, 31475, 35600, 40288, 50360, 62950, 71200, 100720, 112051, 125900, 201440, 224102, 251800, 448204, 503600, 560255, 896408, 1007200, 1120510, 1792816, 2241020, 2801275, 3585632, 4482040, 5602550, 8964080, 11205100, 17928160, 22410200, 44820400, 89640800]

約数ペア:

[(1, 89640800), (2, 44820400), (4, 22410200), (5, 17928160), (8, 11205100), (10, 8964080), (16, 5602550), (20, 4482040), (25, 3585632), (32, 2801275), (40, 2241020), (50, 1792816), (80, 1120510), (89, 1007200), (100, 896408), (160, 560255), (178, 503600), (200, 448204), (356, 251800), (400, 224102), (445, 201440), (712, 125900), (800, 112051), (890, 100720), (1259, 71200), (1424, 62950), (1780, 50360), (2225, 40288), (2518, 35600), (2848, 31475), (3560, 25180), (4450, 20144), (5036, 17800), (6295, 14240), (7120, 12590), (8900, 10072)]