87428975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1787}}^1$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 115290240

約数和(自身を除く): 27861265

約数列:

[1, 5, 19, 25, 95, 103, 475, 515, 1787, 1957, 2575, 8935, 9785, 33953, 44675, 48925, 169765, 184061, 848825, 920305, 3497159, 4601525, 17485795, 87428975]

約数ペア:

[(1, 87428975), (5, 17485795), (19, 4601525), (25, 3497159), (95, 920305), (103, 848825), (475, 184061), (515, 169765), (1787, 48925), (1957, 44675), (2575, 33953), (8935, 9785)]