2227774840

素因数分解:

$2^3\times 5^1\times {\mathrm{4561}}^1\times {\mathrm{12211}}^1$

素因数の和:16783

約数の個数: 32

約数和(自身を含む): 5014002960

約数和(自身を除く): 2786228120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4561, 9122, 12211, 18244, 22805, 24422, 36488, 45610, 48844, 61055, 91220, 97688, 122110, 182440, 244220, 488440, 55694371, 111388742, 222777484, 278471855, 445554968, 556943710, 1113887420, 2227774840]

約数ペア:

[(1, 2227774840), (2, 1113887420), (4, 556943710), (5, 445554968), (8, 278471855), (10, 222777484), (20, 111388742), (40, 55694371), (4561, 488440), (9122, 244220), (12211, 182440), (18244, 122110), (22805, 97688), (24422, 91220), (36488, 61055), (45610, 48844)]