64480625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 89746272

約数和(自身を除く): 25265647

約数列:

[1, 5, 11, 25, 55, 83, 113, 125, 275, 415, 565, 625, 913, 1243, 1375, 2075, 2825, 4565, 6215, 6875, 9379, 10375, 14125, 22825, 31075, 46895, 51875, 70625, 103169, 114125, 155375, 234475, 515845, 570625, 776875, 1172375, 2579225, 5861875, 12896125, 64480625]

約数ペア:

[(1, 64480625), (5, 12896125), (11, 5861875), (25, 2579225), (55, 1172375), (83, 776875), (113, 570625), (125, 515845), (275, 234475), (415, 155375), (565, 114125), (625, 103169), (913, 70625), (1243, 51875), (1375, 46895), (2075, 31075), (2825, 22825), (4565, 14125), (6215, 10375), (6875, 9379)]