81205670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89237}}^1$

素因数の和:89264

約数の個数: 32

約数和(自身を含む): 179903808

約数和(自身を除く): 98698138

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 89237, 178474, 446185, 624659, 892370, 1160081, 1249318, 2320162, 3123295, 5800405, 6246590, 8120567, 11600810, 16241134, 40602835, 81205670]

約数ペア:

[(1, 81205670), (2, 40602835), (5, 16241134), (7, 11600810), (10, 8120567), (13, 6246590), (14, 5800405), (26, 3123295), (35, 2320162), (65, 1249318), (70, 1160081), (91, 892370), (130, 624659), (182, 446185), (455, 178474), (910, 89237)]