12195625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 17494400

約数和(自身を除く): 5298775

約数列:

[1, 5, 13, 19, 25, 65, 79, 95, 125, 247, 325, 395, 475, 625, 1027, 1235, 1501, 1625, 1975, 2375, 5135, 6175, 7505, 8125, 9875, 11875, 19513, 25675, 30875, 37525, 49375, 97565, 128375, 154375, 187625, 487825, 641875, 938125, 2439125, 12195625]

約数ペア:

[(1, 12195625), (5, 2439125), (13, 938125), (19, 641875), (25, 487825), (65, 187625), (79, 154375), (95, 128375), (125, 97565), (247, 49375), (325, 37525), (395, 30875), (475, 25675), (625, 19513), (1027, 11875), (1235, 9875), (1501, 8125), (1625, 7505), (1975, 6175), (2375, 5135)]