85506520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{521}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 210846240

約数和(自身を除く): 125339720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 373, 440, 521, 746, 1042, 1492, 1865, 2084, 2605, 2984, 3730, 4103, 4168, 5210, 5731, 7460, 8206, 10420, 11462, 14920, 16412, 20515, 20840, 22924, 28655, 32824, 41030, 45848, 57310, 82060, 114620, 164120, 194333, 229240, 388666, 777332, 971665, 1554664, 1943330, 2137663, 3886660, 4275326, 7773320, 8550652, 10688315, 17101304, 21376630, 42753260, 85506520]

約数ペア:

[(1, 85506520), (2, 42753260), (4, 21376630), (5, 17101304), (8, 10688315), (10, 8550652), (11, 7773320), (20, 4275326), (22, 3886660), (40, 2137663), (44, 1943330), (55, 1554664), (88, 971665), (110, 777332), (220, 388666), (373, 229240), (440, 194333), (521, 164120), (746, 114620), (1042, 82060), (1492, 57310), (1865, 45848), (2084, 41030), (2605, 32824), (2984, 28655), (3730, 22924), (4103, 20840), (4168, 20515), (5210, 16412), (5731, 14920), (7460, 11462), (8206, 10420)]