130320440

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{3191}}^1$

素因数の和:4223

約数の個数: 32

約数和(自身を含む): 293600160

約数和(自身を除く): 163279720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 2042, 3191, 4084, 5105, 6382, 8168, 10210, 12764, 15955, 20420, 25528, 31910, 40840, 63820, 127640, 3258011, 6516022, 13032044, 16290055, 26064088, 32580110, 65160220, 130320440]

約数ペア:

[(1, 130320440), (2, 65160220), (4, 32580110), (5, 26064088), (8, 16290055), (10, 13032044), (20, 6516022), (40, 3258011), (1021, 127640), (2042, 63820), (3191, 40840), (4084, 31910), (5105, 25528), (6382, 20420), (8168, 15955), (10210, 12764)]