129025150

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{13099}}^1$

素因数の和:13308

約数の個数: 24

約数和(自身を含む): 241223400

約数和(自身を除く): 112198250

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1970, 4925, 9850, 13099, 26198, 65495, 130990, 327475, 654950, 2580503, 5161006, 12902515, 25805030, 64512575, 129025150]

約数ペア:

[(1, 129025150), (2, 64512575), (5, 25805030), (10, 12902515), (25, 5161006), (50, 2580503), (197, 654950), (394, 327475), (985, 130990), (1970, 65495), (4925, 26198), (9850, 13099)]