39894775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 53210880

約数和(自身を除く): 13316105

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 893, 1175, 1787, 4465, 8935, 22325, 33953, 44675, 83989, 169765, 419945, 848825, 1595791, 2099725, 7978955, 39894775]

約数ペア:

[(1, 39894775), (5, 7978955), (19, 2099725), (25, 1595791), (47, 848825), (95, 419945), (235, 169765), (475, 83989), (893, 44675), (1175, 33953), (1787, 22325), (4465, 8935)]