82260025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 116242560

約数和(自身を除く): 33982535

約数列:

[1, 5, 17, 19, 25, 61, 85, 95, 167, 305, 323, 425, 475, 835, 1037, 1159, 1525, 1615, 2839, 3173, 4175, 5185, 5795, 8075, 10187, 14195, 15865, 19703, 25925, 28975, 50935, 53941, 70975, 79325, 98515, 173179, 193553, 254675, 269705, 492575, 865895, 967765, 1348525, 3290401, 4329475, 4838825, 16452005, 82260025]

約数ペア:

[(1, 82260025), (5, 16452005), (17, 4838825), (19, 4329475), (25, 3290401), (61, 1348525), (85, 967765), (95, 865895), (167, 492575), (305, 269705), (323, 254675), (425, 193553), (475, 173179), (835, 98515), (1037, 79325), (1159, 70975), (1525, 53941), (1615, 50935), (2839, 28975), (3173, 25925), (4175, 19703), (5185, 15865), (5795, 14195), (8075, 10187)]