28948520

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1069}}^1$

素因数の和:1757

約数の個数: 32

約数和(自身を含む): 65291400

約数和(自身を除く): 36342880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1069, 1354, 2138, 2708, 3385, 4276, 5345, 5416, 6770, 8552, 10690, 13540, 21380, 27080, 42760, 723713, 1447426, 2894852, 3618565, 5789704, 7237130, 14474260, 28948520]

約数ペア:

[(1, 28948520), (2, 14474260), (4, 7237130), (5, 5789704), (8, 3618565), (10, 2894852), (20, 1447426), (40, 723713), (677, 42760), (1069, 27080), (1354, 21380), (2138, 13540), (2708, 10690), (3385, 8552), (4276, 6770), (5345, 5416)]