208000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1$

素因数の和:42

約数の個数: 64

約数和(自身を含む): 556920

約数和(自身を除く): 348920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 260, 320, 325, 400, 416, 500, 520, 640, 650, 800, 832, 1000, 1040, 1300, 1600, 1625, 1664, 2000, 2080, 2600, 3200, 3250, 4000, 4160, 5200, 6500, 8000, 8320, 10400, 13000, 16000, 20800, 26000, 41600, 52000, 104000, 208000]

約数ペア:

[(1, 208000), (2, 104000), (4, 52000), (5, 41600), (8, 26000), (10, 20800), (13, 16000), (16, 13000), (20, 10400), (25, 8320), (26, 8000), (32, 6500), (40, 5200), (50, 4160), (52, 4000), (64, 3250), (65, 3200), (80, 2600), (100, 2080), (104, 2000), (125, 1664), (128, 1625), (130, 1600), (160, 1300), (200, 1040), (208, 1000), (250, 832), (260, 800), (320, 650), (325, 640), (400, 520), (416, 500)]