39993875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{10321}}^1$

素因数の和:10367

約数の個数: 16

約数和(自身を含む): 51527424

約数和(自身を除く): 11533549

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 10321, 51605, 258025, 319951, 1290125, 1599755, 7998775, 39993875]

約数ペア:

[(1, 39993875), (5, 7998775), (25, 1599755), (31, 1290125), (125, 319951), (155, 258025), (775, 51605), (3875, 10321)]