12958460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15803}}^1$

素因数の和:15853

約数の個数: 24

約数和(自身を含む): 27878256

約数和(自身を除く): 14919796

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15803, 31606, 63212, 79015, 158030, 316060, 647923, 1295846, 2591692, 3239615, 6479230, 12958460]

約数ペア:

[(1, 12958460), (2, 6479230), (4, 3239615), (5, 2591692), (10, 1295846), (20, 647923), (41, 316060), (82, 158030), (164, 79015), (205, 63212), (410, 31606), (820, 15803)]