28960760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17659}}^1$

素因数の和:17711

約数の個数: 32

約数和(自身を含む): 66754800

約数和(自身を除く): 37794040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17659, 35318, 70636, 88295, 141272, 176590, 353180, 706360, 724019, 1448038, 2896076, 3620095, 5792152, 7240190, 14480380, 28960760]

約数ペア:

[(1, 28960760), (2, 14480380), (4, 7240190), (5, 5792152), (8, 3620095), (10, 2896076), (20, 1448038), (40, 724019), (41, 706360), (82, 353180), (164, 176590), (205, 141272), (328, 88295), (410, 70636), (820, 35318), (1640, 17659)]