66208040

素因数分解:

$2^3\times 5^1\times {\mathrm{1655201}}^1$

素因数の和:1655212

約数の個数: 16

約数和(自身を含む): 148968180

約数和(自身を除く): 82760140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1655201, 3310402, 6620804, 8276005, 13241608, 16552010, 33104020, 66208040]

約数ペア:

[(1, 66208040), (2, 33104020), (4, 16552010), (5, 13241608), (8, 8276005), (10, 6620804), (20, 3310402), (40, 1655201)]