80028800

素因数分解:

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

素因数の和:394

約数の個数: 96

約数和(自身を含む): 200628900

約数和(自身を除く): 120600100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 128, 160, 178, 200, 281, 320, 356, 400, 445, 562, 640, 712, 800, 890, 1124, 1405, 1424, 1600, 1780, 2225, 2248, 2810, 2848, 3200, 3560, 4450, 4496, 5620, 5696, 7025, 7120, 8900, 8992, 11240, 11392, 14050, 14240, 17800, 17984, 22480, 25009, 28100, 28480, 35600, 35968, 44960, 50018, 56200, 56960, 71200, 89920, 100036, 112400, 125045, 142400, 179840, 200072, 224800, 250090, 284800, 400144, 449600, 500180, 625225, 800288, 899200, 1000360, 1250450, 1600576, 2000720, 2500900, 3201152, 4001440, 5001800, 8002880, 10003600, 16005760, 20007200, 40014400, 80028800]

約数ペア:

[(1, 80028800), (2, 40014400), (4, 20007200), (5, 16005760), (8, 10003600), (10, 8002880), (16, 5001800), (20, 4001440), (25, 3201152), (32, 2500900), (40, 2000720), (50, 1600576), (64, 1250450), (80, 1000360), (89, 899200), (100, 800288), (128, 625225), (160, 500180), (178, 449600), (200, 400144), (281, 284800), (320, 250090), (356, 224800), (400, 200072), (445, 179840), (562, 142400), (640, 125045), (712, 112400), (800, 100036), (890, 89920), (1124, 71200), (1405, 56960), (1424, 56200), (1600, 50018), (1780, 44960), (2225, 35968), (2248, 35600), (2810, 28480), (2848, 28100), (3200, 25009), (3560, 22480), (4450, 17984), (4496, 17800), (5620, 14240), (5696, 14050), (7025, 11392), (7120, 11240), (8900, 8992)]