874408520

素因数分解:

$2^3\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{15319}}^1$

素因数の和:16757

約数の個数: 32

約数和(自身を含む): 1968926400

約数和(自身を除く): 1094517880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1427, 2854, 5708, 7135, 11416, 14270, 15319, 28540, 30638, 57080, 61276, 76595, 122552, 153190, 306380, 612760, 21860213, 43720426, 87440852, 109301065, 174881704, 218602130, 437204260, 874408520]

約数ペア:

[(1, 874408520), (2, 437204260), (4, 218602130), (5, 174881704), (8, 109301065), (10, 87440852), (20, 43720426), (40, 21860213), (1427, 612760), (2854, 306380), (5708, 153190), (7135, 122552), (11416, 76595), (14270, 61276), (15319, 57080), (28540, 30638)]