65080000

素因数分解:

$2^6\times 5^4\times {\mathrm{1627}}^1$

素因数の和:1659

約数の個数: 70

約数和(自身を含む): 161476436

約数和(自身を除く): 96396436

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, 625, 800, 1000, 1250, 1600, 1627, 2000, 2500, 3254, 4000, 5000, 6508, 8000, 8135, 10000, 13016, 16270, 20000, 26032, 32540, 40000, 40675, 52064, 65080, 81350, 104128, 130160, 162700, 203375, 260320, 325400, 406750, 520640, 650800, 813500, 1016875, 1301600, 1627000, 2033750, 2603200, 3254000, 4067500, 6508000, 8135000, 13016000, 16270000, 32540000, 65080000]

約数ペア:

[(1, 65080000), (2, 32540000), (4, 16270000), (5, 13016000), (8, 8135000), (10, 6508000), (16, 4067500), (20, 3254000), (25, 2603200), (32, 2033750), (40, 1627000), (50, 1301600), (64, 1016875), (80, 813500), (100, 650800), (125, 520640), (160, 406750), (200, 325400), (250, 260320), (320, 203375), (400, 162700), (500, 130160), (625, 104128), (800, 81350), (1000, 65080), (1250, 52064), (1600, 40675), (1627, 40000), (2000, 32540), (2500, 26032), (3254, 20000), (4000, 16270), (5000, 13016), (6508, 10000), (8000, 8135)]