28452920

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1543}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 64199520

約数和(自身を除く): 35746600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1543, 1844, 2305, 3086, 3688, 4610, 6172, 7715, 9220, 12344, 15430, 18440, 30860, 61720, 711323, 1422646, 2845292, 3556615, 5690584, 7113230, 14226460, 28452920]

約数ペア:

[(1, 28452920), (2, 14226460), (4, 7113230), (5, 5690584), (8, 3556615), (10, 2845292), (20, 1422646), (40, 711323), (461, 61720), (922, 30860), (1543, 18440), (1844, 15430), (2305, 12344), (3086, 9220), (3688, 7715), (4610, 6172)]