54449440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17911}}^1$

素因数の和:17945

約数の個数: 48

約数和(自身を含む): 135414720

約数和(自身を除く): 80965280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 17911, 35822, 71644, 89555, 143288, 179110, 286576, 340309, 358220, 573152, 680618, 716440, 1361236, 1432880, 1701545, 2722472, 2865760, 3403090, 5444944, 6806180, 10889888, 13612360, 27224720, 54449440]

約数ペア:

[(1, 54449440), (2, 27224720), (4, 13612360), (5, 10889888), (8, 6806180), (10, 5444944), (16, 3403090), (19, 2865760), (20, 2722472), (32, 1701545), (38, 1432880), (40, 1361236), (76, 716440), (80, 680618), (95, 573152), (152, 358220), (160, 340309), (190, 286576), (304, 179110), (380, 143288), (608, 89555), (760, 71644), (1520, 35822), (3040, 17911)]