127378000

素因数分解:

$2^4\times 5^3\times {\mathrm{63689}}^1$

素因数の和:63712

約数の個数: 40

約数和(自身を含む): 308004840

約数和(自身を除く): 180626840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 63689, 127378, 254756, 318445, 509512, 636890, 1019024, 1273780, 1592225, 2547560, 3184450, 5095120, 6368900, 7961125, 12737800, 15922250, 25475600, 31844500, 63689000, 127378000]

約数ペア:

[(1, 127378000), (2, 63689000), (4, 31844500), (5, 25475600), (8, 15922250), (10, 12737800), (16, 7961125), (20, 6368900), (25, 5095120), (40, 3184450), (50, 2547560), (80, 1592225), (100, 1273780), (125, 1019024), (200, 636890), (250, 509512), (400, 318445), (500, 254756), (1000, 127378), (2000, 63689)]