18886017025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1\times {\mathrm{653}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 24698597760

約数和(自身を除く): 5812580735

約数列:

[1, 5, 23, 25, 115, 179, 281, 575, 653, 895, 1405, 3265, 4117, 4475, 6463, 7025, 15019, 16325, 20585, 32315, 50299, 75095, 102925, 116887, 161575, 183493, 251495, 375475, 584435, 917465, 1156877, 1257475, 2688401, 2922175, 4220339, 4587325, 5784385, 13442005, 21101695, 28921925, 32845247, 67210025, 105508475, 164226235, 755440681, 821131175, 3777203405, 18886017025]

約数ペア:

[(1, 18886017025), (5, 3777203405), (23, 821131175), (25, 755440681), (115, 164226235), (179, 105508475), (281, 67210025), (575, 32845247), (653, 28921925), (895, 21101695), (1405, 13442005), (3265, 5784385), (4117, 4587325), (4475, 4220339), (6463, 2922175), (7025, 2688401), (15019, 1257475), (16325, 1156877), (20585, 917465), (32315, 584435), (50299, 375475), (75095, 251495), (102925, 183493), (116887, 161575)]