4887291280

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{243391}}^1$

素因数の和:243655

約数の個数: 40

約数和(自身を含む): 11408269824

約数和(自身を除く): 6520978544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 20080, 243391, 486782, 973564, 1216955, 1947128, 2433910, 3894256, 4867820, 9735640, 19471280, 61091141, 122182282, 244364564, 305455705, 488729128, 610911410, 977458256, 1221822820, 2443645640, 4887291280]

約数ペア:

[(1, 4887291280), (2, 2443645640), (4, 1221822820), (5, 977458256), (8, 610911410), (10, 488729128), (16, 305455705), (20, 244364564), (40, 122182282), (80, 61091141), (251, 19471280), (502, 9735640), (1004, 4867820), (1255, 3894256), (2008, 2433910), (2510, 1947128), (4016, 1216955), (5020, 973564), (10040, 486782), (20080, 243391)]