16005760

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 38831400

約数和(自身を除く): 22825640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 281, 320, 356, 445, 562, 640, 712, 890, 1124, 1405, 1424, 1780, 2248, 2810, 2848, 3560, 4496, 5620, 5696, 7120, 8992, 11240, 11392, 14240, 17984, 22480, 25009, 28480, 35968, 44960, 50018, 56960, 89920, 100036, 125045, 179840, 200072, 250090, 400144, 500180, 800288, 1000360, 1600576, 2000720, 3201152, 4001440, 8002880, 16005760]

約数ペア:

[(1, 16005760), (2, 8002880), (4, 4001440), (5, 3201152), (8, 2000720), (10, 1600576), (16, 1000360), (20, 800288), (32, 500180), (40, 400144), (64, 250090), (80, 200072), (89, 179840), (128, 125045), (160, 100036), (178, 89920), (281, 56960), (320, 50018), (356, 44960), (445, 35968), (562, 28480), (640, 25009), (712, 22480), (890, 17984), (1124, 14240), (1405, 11392), (1424, 11240), (1780, 8992), (2248, 7120), (2810, 5696), (2848, 5620), (3560, 4496)]