8770000

素因数分解:

$2^4\times 5^4\times {\mathrm{877}}^1$

素因数の和:905

約数の個数: 50

約数和(自身を含む): 21257258

約数和(自身を除く): 12487258

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 877, 1000, 1250, 1754, 2000, 2500, 3508, 4385, 5000, 7016, 8770, 10000, 14032, 17540, 21925, 35080, 43850, 70160, 87700, 109625, 175400, 219250, 350800, 438500, 548125, 877000, 1096250, 1754000, 2192500, 4385000, 8770000]

約数ペア:

[(1, 8770000), (2, 4385000), (4, 2192500), (5, 1754000), (8, 1096250), (10, 877000), (16, 548125), (20, 438500), (25, 350800), (40, 219250), (50, 175400), (80, 109625), (100, 87700), (125, 70160), (200, 43850), (250, 35080), (400, 21925), (500, 17540), (625, 14032), (877, 10000), (1000, 8770), (1250, 7016), (1754, 5000), (2000, 4385), (2500, 3508)]