6408740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^2$

素因数の和:336

約数の個数: 36

約数和(自身を含む): 14586516

約数和(自身を除く): 8177776

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 2041, 3140, 4082, 8164, 10205, 20410, 24649, 40820, 49298, 98596, 123245, 246490, 320437, 492980, 640874, 1281748, 1602185, 3204370, 6408740]

約数ペア:

[(1, 6408740), (2, 3204370), (4, 1602185), (5, 1281748), (10, 640874), (13, 492980), (20, 320437), (26, 246490), (52, 123245), (65, 98596), (130, 49298), (157, 40820), (260, 24649), (314, 20410), (628, 10205), (785, 8164), (1570, 4082), (2041, 3140)]