64087340

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{23053}}^1$

素因数の和:23201

約数の個数: 24

約数和(自身を含む): 135557520

約数和(自身を除く): 71470180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 23053, 46106, 92212, 115265, 230530, 461060, 3204367, 6408734, 12817468, 16021835, 32043670, 64087340]

約数ペア:

[(1, 64087340), (2, 32043670), (4, 16021835), (5, 12817468), (10, 6408734), (20, 3204367), (139, 461060), (278, 230530), (556, 115265), (695, 92212), (1390, 46106), (2780, 23053)]