66661600

素因数分解:

$2^5\times 5^2\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:932

約数の個数: 72

約数和(自身を含む): 164520720

約数和(自身を除く): 97859120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 200, 206, 400, 412, 515, 800, 809, 824, 1030, 1618, 1648, 2060, 2575, 3236, 3296, 4045, 4120, 5150, 6472, 8090, 8240, 10300, 12944, 16180, 16480, 20225, 20600, 25888, 32360, 40450, 41200, 64720, 80900, 82400, 83327, 129440, 161800, 166654, 323600, 333308, 416635, 647200, 666616, 833270, 1333232, 1666540, 2083175, 2666464, 3333080, 4166350, 6666160, 8332700, 13332320, 16665400, 33330800, 66661600]

約数ペア:

[(1, 66661600), (2, 33330800), (4, 16665400), (5, 13332320), (8, 8332700), (10, 6666160), (16, 4166350), (20, 3333080), (25, 2666464), (32, 2083175), (40, 1666540), (50, 1333232), (80, 833270), (100, 666616), (103, 647200), (160, 416635), (200, 333308), (206, 323600), (400, 166654), (412, 161800), (515, 129440), (800, 83327), (809, 82400), (824, 80900), (1030, 64720), (1618, 41200), (1648, 40450), (2060, 32360), (2575, 25888), (3236, 20600), (3296, 20225), (4045, 16480), (4120, 16180), (5150, 12944), (6472, 10300), (8090, 8240)]