18116960

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{569}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 43092000

約数和(自身を除く): 24975040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 569, 796, 995, 1138, 1592, 1990, 2276, 2845, 3184, 3980, 4552, 5690, 6368, 7960, 9104, 11380, 15920, 18208, 22760, 31840, 45520, 91040, 113231, 226462, 452924, 566155, 905848, 1132310, 1811696, 2264620, 3623392, 4529240, 9058480, 18116960]

約数ペア:

[(1, 18116960), (2, 9058480), (4, 4529240), (5, 3623392), (8, 2264620), (10, 1811696), (16, 1132310), (20, 905848), (32, 566155), (40, 452924), (80, 226462), (160, 113231), (199, 91040), (398, 45520), (569, 31840), (796, 22760), (995, 18208), (1138, 15920), (1592, 11380), (1990, 9104), (2276, 7960), (2845, 6368), (3184, 5690), (3980, 4552)]