23151025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 33212160

約数和(自身を除く): 10061135

約数列:

[1, 5, 17, 19, 25, 47, 61, 85, 95, 235, 305, 323, 425, 475, 799, 893, 1037, 1159, 1175, 1525, 1615, 2867, 3995, 4465, 5185, 5795, 8075, 14335, 15181, 19703, 19975, 22325, 25925, 28975, 48739, 54473, 71675, 75905, 98515, 243695, 272365, 379525, 492575, 926041, 1218475, 1361825, 4630205, 23151025]

約数ペア:

[(1, 23151025), (5, 4630205), (17, 1361825), (19, 1218475), (25, 926041), (47, 492575), (61, 379525), (85, 272365), (95, 243695), (235, 98515), (305, 75905), (323, 71675), (425, 54473), (475, 48739), (799, 28975), (893, 25925), (1037, 22325), (1159, 19975), (1175, 19703), (1525, 15181), (1615, 14335), (2867, 8075), (3995, 5795), (4465, 5185)]