20826400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3719}}^1$

素因数の和:3746

約数の個数: 72

約数和(自身を含む): 58121280

約数和(自身を除く): 37294880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 3719, 5600, 7438, 14876, 18595, 26033, 29752, 37190, 52066, 59504, 74380, 92975, 104132, 119008, 130165, 148760, 185950, 208264, 260330, 297520, 371900, 416528, 520660, 595040, 650825, 743800, 833056, 1041320, 1301650, 1487600, 2082640, 2603300, 2975200, 4165280, 5206600, 10413200, 20826400]

約数ペア:

[(1, 20826400), (2, 10413200), (4, 5206600), (5, 4165280), (7, 2975200), (8, 2603300), (10, 2082640), (14, 1487600), (16, 1301650), (20, 1041320), (25, 833056), (28, 743800), (32, 650825), (35, 595040), (40, 520660), (50, 416528), (56, 371900), (70, 297520), (80, 260330), (100, 208264), (112, 185950), (140, 148760), (160, 130165), (175, 119008), (200, 104132), (224, 92975), (280, 74380), (350, 59504), (400, 52066), (560, 37190), (700, 29752), (800, 26033), (1120, 18595), (1400, 14876), (2800, 7438), (3719, 5600)]