81904030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7079}}^1$

素因数の和:7188

約数の個数: 32

約数和(自身を含む): 160574400

約数和(自身を除く): 78670370

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 7079, 11570, 14158, 35395, 70790, 92027, 184054, 460135, 630031, 920270, 1260062, 3150155, 6300310, 8190403, 16380806, 40952015, 81904030]

約数ペア:

[(1, 81904030), (2, 40952015), (5, 16380806), (10, 8190403), (13, 6300310), (26, 3150155), (65, 1260062), (89, 920270), (130, 630031), (178, 460135), (445, 184054), (890, 92027), (1157, 70790), (2314, 35395), (5785, 14158), (7079, 11570)]