64648000

素因数分解:

$2^6\times 5^3\times {\mathrm{8081}}^1$

素因数の和:8108

約数の個数: 56

約数和(自身を含む): 160120584

約数和(自身を除く): 95472584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 8081, 16162, 32324, 40405, 64648, 80810, 129296, 161620, 202025, 258592, 323240, 404050, 517184, 646480, 808100, 1010125, 1292960, 1616200, 2020250, 2585920, 3232400, 4040500, 6464800, 8081000, 12929600, 16162000, 32324000, 64648000]

約数ペア:

[(1, 64648000), (2, 32324000), (4, 16162000), (5, 12929600), (8, 8081000), (10, 6464800), (16, 4040500), (20, 3232400), (25, 2585920), (32, 2020250), (40, 1616200), (50, 1292960), (64, 1010125), (80, 808100), (100, 646480), (125, 517184), (160, 404050), (200, 323240), (250, 258592), (320, 202025), (400, 161620), (500, 129296), (800, 80810), (1000, 64648), (1600, 40405), (2000, 32324), (4000, 16162), (8000, 8081)]