31217980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23297}}^1$

素因数の和:23373

約数の個数: 24

約数和(自身を含む): 66539088

約数和(自身を除く): 35321108

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 23297, 46594, 93188, 116485, 232970, 465940, 1560899, 3121798, 6243596, 7804495, 15608990, 31217980]

約数ペア:

[(1, 31217980), (2, 15608990), (4, 7804495), (5, 6243596), (10, 3121798), (20, 1560899), (67, 465940), (134, 232970), (268, 116485), (335, 93188), (670, 46594), (1340, 23297)]