28335580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15569}}^1$

素因数の和:15598

約数の個数: 48

約数和(自身を含む): 73241280

約数和(自身を除く): 44905700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15569, 31138, 62276, 77845, 108983, 155690, 202397, 217966, 311380, 404794, 435932, 544915, 809588, 1011985, 1089830, 1416779, 2023970, 2179660, 2833558, 4047940, 5667116, 7083895, 14167790, 28335580]

約数ペア:

[(1, 28335580), (2, 14167790), (4, 7083895), (5, 5667116), (7, 4047940), (10, 2833558), (13, 2179660), (14, 2023970), (20, 1416779), (26, 1089830), (28, 1011985), (35, 809588), (52, 544915), (65, 435932), (70, 404794), (91, 311380), (130, 217966), (140, 202397), (182, 155690), (260, 108983), (364, 77845), (455, 62276), (910, 31138), (1820, 15569)]