66426860

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{12347}}^1$

素因数の和:12625

約数の個数: 24

約数和(自身を含む): 140026320

約数和(自身を除く): 73599460

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 12347, 24694, 49388, 61735, 123470, 246940, 3321343, 6642686, 13285372, 16606715, 33213430, 66426860]

約数ペア:

[(1, 66426860), (2, 33213430), (4, 16606715), (5, 13285372), (10, 6642686), (20, 3321343), (269, 246940), (538, 123470), (1076, 61735), (1345, 49388), (2690, 24694), (5380, 12347)]