16575990640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{991387}}^1$

素因数の和:991430

約数の個数: 80

約数和(自身を含む): 44255560320

約数和(自身を除く): 27679569680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 991387, 1982774, 3965548, 4956935, 7931096, 9913870, 10905257, 15862192, 18836353, 19827740, 21810514, 37672706, 39655480, 43621028, 54526285, 75345412, 79310960, 87242056, 94181765, 109052570, 150690824, 174484112, 188363530, 207199883, 218105140, 301381648, 376727060, 414399766, 436210280, 753454120, 828799532, 872420560, 1035999415, 1506908240, 1657599064, 2071998830, 3315198128, 4143997660, 8287995320, 16575990640]

約数ペア:

[(1, 16575990640), (2, 8287995320), (4, 4143997660), (5, 3315198128), (8, 2071998830), (10, 1657599064), (11, 1506908240), (16, 1035999415), (19, 872420560), (20, 828799532), (22, 753454120), (38, 436210280), (40, 414399766), (44, 376727060), (55, 301381648), (76, 218105140), (80, 207199883), (88, 188363530), (95, 174484112), (110, 150690824), (152, 109052570), (176, 94181765), (190, 87242056), (209, 79310960), (220, 75345412), (304, 54526285), (380, 43621028), (418, 39655480), (440, 37672706), (760, 21810514), (836, 19827740), (880, 18836353), (1045, 15862192), (1520, 10905257), (1672, 9913870), (2090, 7931096), (3344, 4956935), (4180, 3965548), (8360, 1982774), (16720, 991387)]