87989875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 118879488

約数和(自身を除く): 30889613

約数列:

[1, 5, 17, 25, 47, 85, 125, 235, 425, 799, 881, 1175, 2125, 3995, 4405, 5875, 14977, 19975, 22025, 41407, 74885, 99875, 110125, 207035, 374425, 703919, 1035175, 1872125, 3519595, 5175875, 17597975, 87989875]

約数ペア:

[(1, 87989875), (5, 17597975), (17, 5175875), (25, 3519595), (47, 1872125), (85, 1035175), (125, 703919), (235, 374425), (425, 207035), (799, 110125), (881, 99875), (1175, 74885), (2125, 41407), (3995, 22025), (4405, 19975), (5875, 14977)]