27210625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 38968776

約数和(自身を除く): 11758151

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 197, 221, 325, 425, 625, 985, 1105, 1625, 2125, 2561, 3349, 4925, 5525, 8125, 10625, 12805, 16745, 24625, 27625, 43537, 64025, 83725, 123125, 138125, 217685, 320125, 418625, 1088425, 1600625, 2093125, 5442125, 27210625]

約数ペア:

[(1, 27210625), (5, 5442125), (13, 2093125), (17, 1600625), (25, 1088425), (65, 418625), (85, 320125), (125, 217685), (197, 138125), (221, 123125), (325, 83725), (425, 64025), (625, 43537), (985, 27625), (1105, 24625), (1625, 16745), (2125, 12805), (2561, 10625), (3349, 8125), (4925, 5525)]