51765025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 74370240

約数和(自身を除く): 22605215

約数列:

[1, 5, 13, 19, 25, 65, 83, 95, 101, 247, 325, 415, 475, 505, 1079, 1235, 1313, 1577, 1919, 2075, 2525, 5395, 6175, 6565, 7885, 8383, 9595, 20501, 24947, 26975, 32825, 39425, 41915, 47975, 102505, 108979, 124735, 159277, 209575, 512525, 544895, 623675, 796385, 2070601, 2724475, 3981925, 10353005, 51765025]

約数ペア:

[(1, 51765025), (5, 10353005), (13, 3981925), (19, 2724475), (25, 2070601), (65, 796385), (83, 623675), (95, 544895), (101, 512525), (247, 209575), (325, 159277), (415, 124735), (475, 108979), (505, 102505), (1079, 47975), (1235, 41915), (1313, 39425), (1577, 32825), (1919, 26975), (2075, 24947), (2525, 20501), (5395, 9595), (6175, 8383), (6565, 7885)]