4120000

素因数分解:

$2^6\times 5^4\times {\mathrm{103}}^1$

素因数の和:135

約数の個数: 70

約数和(自身を含む): 10315448

約数和(自身を除く): 6195448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 103, 125, 160, 200, 206, 250, 320, 400, 412, 500, 515, 625, 800, 824, 1000, 1030, 1250, 1600, 1648, 2000, 2060, 2500, 2575, 3296, 4000, 4120, 5000, 5150, 6592, 8000, 8240, 10000, 10300, 12875, 16480, 20000, 20600, 25750, 32960, 40000, 41200, 51500, 64375, 82400, 103000, 128750, 164800, 206000, 257500, 412000, 515000, 824000, 1030000, 2060000, 4120000]

約数ペア:

[(1, 4120000), (2, 2060000), (4, 1030000), (5, 824000), (8, 515000), (10, 412000), (16, 257500), (20, 206000), (25, 164800), (32, 128750), (40, 103000), (50, 82400), (64, 64375), (80, 51500), (100, 41200), (103, 40000), (125, 32960), (160, 25750), (200, 20600), (206, 20000), (250, 16480), (320, 12875), (400, 10300), (412, 10000), (500, 8240), (515, 8000), (625, 6592), (800, 5150), (824, 5000), (1000, 4120), (1030, 4000), (1250, 3296), (1600, 2575), (1648, 2500), (2000, 2060)]