10256000

素因数分解:

$2^7\times 5^3\times {\mathrm{641}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 25538760

約数和(自身を除く): 15282760

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, 641, 800, 1000, 1282, 1600, 2000, 2564, 3200, 3205, 4000, 5128, 6410, 8000, 10256, 12820, 16000, 16025, 20512, 25640, 32050, 41024, 51280, 64100, 80125, 82048, 102560, 128200, 160250, 205120, 256400, 320500, 410240, 512800, 641000, 1025600, 1282000, 2051200, 2564000, 5128000, 10256000]

約数ペア:

[(1, 10256000), (2, 5128000), (4, 2564000), (5, 2051200), (8, 1282000), (10, 1025600), (16, 641000), (20, 512800), (25, 410240), (32, 320500), (40, 256400), (50, 205120), (64, 160250), (80, 128200), (100, 102560), (125, 82048), (128, 80125), (160, 64100), (200, 51280), (250, 41024), (320, 32050), (400, 25640), (500, 20512), (640, 16025), (641, 16000), (800, 12820), (1000, 10256), (1282, 8000), (1600, 6410), (2000, 5128), (2564, 4000), (3200, 3205)]