988872625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7703}}^1$

素因数の和:7810

約数の個数: 32

約数和(自身を含む): 1346042880

約数和(自身を除く): 357170255

約数列:

[1, 5, 13, 25, 65, 79, 125, 325, 395, 1027, 1625, 1975, 5135, 7703, 9875, 25675, 38515, 100139, 128375, 192575, 500695, 608537, 962875, 2503475, 3042685, 7910981, 12517375, 15213425, 39554905, 76067125, 197774525, 988872625]

約数ペア:

[(1, 988872625), (5, 197774525), (13, 76067125), (25, 39554905), (65, 15213425), (79, 12517375), (125, 7910981), (325, 3042685), (395, 2503475), (1027, 962875), (1625, 608537), (1975, 500695), (5135, 192575), (7703, 128375), (9875, 100139), (25675, 38515)]