104000

素因数分解:

$2^6\times 5^3\times {\mathrm{13}}^1$

素因数の和:40

約数の個数: 56

約数和(自身を含む): 277368

約数和(自身を除く): 173368

約数列:

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

約数ペア:

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