64724120

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{4409}}^1$

素因数の和:4787

約数の個数: 32

約数和(自身を含む): 146059200

約数和(自身を除く): 81335080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 4409, 7340, 8818, 14680, 17636, 22045, 35272, 44090, 88180, 176360, 1618103, 3236206, 6472412, 8090515, 12944824, 16181030, 32362060, 64724120]

約数ペア:

[(1, 64724120), (2, 32362060), (4, 16181030), (5, 12944824), (8, 8090515), (10, 6472412), (20, 3236206), (40, 1618103), (367, 176360), (734, 88180), (1468, 44090), (1835, 35272), (2936, 22045), (3670, 17636), (4409, 14680), (7340, 8818)]