207839125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 283046400

約数和(自身を除く): 75207275

約数列:

[1, 5, 13, 25, 65, 79, 125, 325, 395, 1027, 1619, 1625, 1975, 5135, 8095, 9875, 21047, 25675, 40475, 105235, 127901, 128375, 202375, 526175, 639505, 1662713, 2630875, 3197525, 8313565, 15987625, 41567825, 207839125]

約数ペア:

[(1, 207839125), (5, 41567825), (13, 15987625), (25, 8313565), (65, 3197525), (79, 2630875), (125, 1662713), (325, 639505), (395, 526175), (1027, 202375), (1619, 128375), (1625, 127901), (1975, 105235), (5135, 40475), (8095, 25675), (9875, 21047)]