64912000

素因数分解:

$2^7\times 5^3\times {\mathrm{4057}}^1$

素因数の和:4086

約数の個数: 64

約数和(自身を含む): 161427240

約数和(自身を除く): 96515240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 4057, 8000, 8114, 16000, 16228, 20285, 32456, 40570, 64912, 81140, 101425, 129824, 162280, 202850, 259648, 324560, 405700, 507125, 519296, 649120, 811400, 1014250, 1298240, 1622800, 2028500, 2596480, 3245600, 4057000, 6491200, 8114000, 12982400, 16228000, 32456000, 64912000]

約数ペア:

[(1, 64912000), (2, 32456000), (4, 16228000), (5, 12982400), (8, 8114000), (10, 6491200), (16, 4057000), (20, 3245600), (25, 2596480), (32, 2028500), (40, 1622800), (50, 1298240), (64, 1014250), (80, 811400), (100, 649120), (125, 519296), (128, 507125), (160, 405700), (200, 324560), (250, 259648), (320, 202850), (400, 162280), (500, 129824), (640, 101425), (800, 81140), (1000, 64912), (1600, 40570), (2000, 32456), (3200, 20285), (4000, 16228), (4057, 16000), (8000, 8114)]