5278340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 11433828

約数和(自身を除く): 6155488

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 820, 1570, 1681, 3140, 3362, 6437, 6724, 8405, 12874, 16810, 25748, 32185, 33620, 64370, 128740, 263917, 527834, 1055668, 1319585, 2639170, 5278340]

約数ペア:

[(1, 5278340), (2, 2639170), (4, 1319585), (5, 1055668), (10, 527834), (20, 263917), (41, 128740), (82, 64370), (157, 33620), (164, 32185), (205, 25748), (314, 16810), (410, 12874), (628, 8405), (785, 6724), (820, 6437), (1570, 3362), (1681, 3140)]