80949505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 120960000

約数和(自身を除く): 40010495

約数列:

[1, 5, 7, 13, 35, 65, 89, 91, 445, 455, 623, 1157, 1999, 3115, 5785, 8099, 9995, 13993, 25987, 40495, 69965, 129935, 177911, 181909, 889555, 909545, 1245377, 2312843, 6226885, 11564215, 16189901, 80949505]

約数ペア:

[(1, 80949505), (5, 16189901), (7, 11564215), (13, 6226885), (35, 2312843), (65, 1245377), (89, 909545), (91, 889555), (445, 181909), (455, 177911), (623, 129935), (1157, 69965), (1999, 40495), (3115, 25987), (5785, 13993), (8099, 9995)]