521706875

素因数分解:

$5^4\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 673097040

約数和(自身を除く): 151390165

約数列:

[1, 5, 25, 83, 89, 113, 125, 415, 445, 565, 625, 2075, 2225, 2825, 7387, 9379, 10057, 10375, 11125, 14125, 36935, 46895, 50285, 51875, 55625, 70625, 184675, 234475, 251425, 834731, 923375, 1172375, 1257125, 4173655, 4616875, 5861875, 6285625, 20868275, 104341375, 521706875]

約数ペア:

[(1, 521706875), (5, 104341375), (25, 20868275), (83, 6285625), (89, 5861875), (113, 4616875), (125, 4173655), (415, 1257125), (445, 1172375), (565, 923375), (625, 834731), (2075, 251425), (2225, 234475), (2825, 184675), (7387, 70625), (9379, 55625), (10057, 51875), (10375, 50285), (11125, 46895), (14125, 36935)]