66576687125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{518611}}^1$

素因数の和:518718

約数の個数: 32

約数和(自身を含む): 90611888640

約数和(自身を除く): 24035201515

約数列:

[1, 5, 13, 25, 65, 79, 125, 325, 395, 1027, 1625, 1975, 5135, 9875, 25675, 128375, 518611, 2593055, 6741943, 12965275, 33709715, 40970269, 64826375, 168548575, 204851345, 532613497, 842742875, 1024256725, 2663067485, 5121283625, 13315337425, 66576687125]

約数ペア:

[(1, 66576687125), (5, 13315337425), (13, 5121283625), (25, 2663067485), (65, 1024256725), (79, 842742875), (125, 532613497), (325, 204851345), (395, 168548575), (1027, 64826375), (1625, 40970269), (1975, 33709715), (5135, 12965275), (9875, 6741943), (25675, 2593055), (128375, 518611)]