40014400

素因数分解:

$2^6\times 5^2\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:392

約数の個数: 84

約数和(自身を含む): 99921060

約数和(自身を除く): 59906660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 160, 178, 200, 281, 320, 356, 400, 445, 562, 712, 800, 890, 1124, 1405, 1424, 1600, 1780, 2225, 2248, 2810, 2848, 3560, 4450, 4496, 5620, 5696, 7025, 7120, 8900, 8992, 11240, 14050, 14240, 17800, 17984, 22480, 25009, 28100, 28480, 35600, 44960, 50018, 56200, 71200, 89920, 100036, 112400, 125045, 142400, 200072, 224800, 250090, 400144, 449600, 500180, 625225, 800288, 1000360, 1250450, 1600576, 2000720, 2500900, 4001440, 5001800, 8002880, 10003600, 20007200, 40014400]

約数ペア:

[(1, 40014400), (2, 20007200), (4, 10003600), (5, 8002880), (8, 5001800), (10, 4001440), (16, 2500900), (20, 2000720), (25, 1600576), (32, 1250450), (40, 1000360), (50, 800288), (64, 625225), (80, 500180), (89, 449600), (100, 400144), (160, 250090), (178, 224800), (200, 200072), (281, 142400), (320, 125045), (356, 112400), (400, 100036), (445, 89920), (562, 71200), (712, 56200), (800, 50018), (890, 44960), (1124, 35600), (1405, 28480), (1424, 28100), (1600, 25009), (1780, 22480), (2225, 17984), (2248, 17800), (2810, 14240), (2848, 14050), (3560, 11240), (4450, 8992), (4496, 8900), (5620, 7120), (5696, 7025)]