8920000

素因数分解:

$2^6\times 5^4\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 70

約数和(自身を含む): 22217888

約数和(自身を除く): 13297888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 223, 250, 320, 400, 446, 500, 625, 800, 892, 1000, 1115, 1250, 1600, 1784, 2000, 2230, 2500, 3568, 4000, 4460, 5000, 5575, 7136, 8000, 8920, 10000, 11150, 14272, 17840, 20000, 22300, 27875, 35680, 40000, 44600, 55750, 71360, 89200, 111500, 139375, 178400, 223000, 278750, 356800, 446000, 557500, 892000, 1115000, 1784000, 2230000, 4460000, 8920000]

約数ペア:

[(1, 8920000), (2, 4460000), (4, 2230000), (5, 1784000), (8, 1115000), (10, 892000), (16, 557500), (20, 446000), (25, 356800), (32, 278750), (40, 223000), (50, 178400), (64, 139375), (80, 111500), (100, 89200), (125, 71360), (160, 55750), (200, 44600), (223, 40000), (250, 35680), (320, 27875), (400, 22300), (446, 20000), (500, 17840), (625, 14272), (800, 11150), (892, 10000), (1000, 8920), (1115, 8000), (1250, 7136), (1600, 5575), (1784, 5000), (2000, 4460), (2230, 4000), (2500, 3568)]