8689480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 19740600

約数和(自身を除く): 11051120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1993, 2180, 3986, 4360, 7972, 9965, 15944, 19930, 39860, 79720, 217237, 434474, 868948, 1086185, 1737896, 2172370, 4344740, 8689480]

約数ペア:

[(1, 8689480), (2, 4344740), (4, 2172370), (5, 1737896), (8, 1086185), (10, 868948), (20, 434474), (40, 217237), (109, 79720), (218, 39860), (436, 19930), (545, 15944), (872, 9965), (1090, 7972), (1993, 4360), (2180, 3986)]