142162120

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{13829}}^1$

素因数の和:14097

約数の個数: 32

約数和(自身を含む): 321132600

約数和(自身を除く): 178970480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 13829, 27658, 55316, 69145, 110632, 138290, 276580, 553160, 3554053, 7108106, 14216212, 17770265, 28432424, 35540530, 71081060, 142162120]

約数ペア:

[(1, 142162120), (2, 71081060), (4, 35540530), (5, 28432424), (8, 17770265), (10, 14216212), (20, 7108106), (40, 3554053), (257, 553160), (514, 276580), (1028, 138290), (1285, 110632), (2056, 69145), (2570, 55316), (5140, 27658), (10280, 13829)]