138016960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13913}}^1$

素因数の和:13961

約数の個数: 56

約数和(自身を含む): 339278976

約数和(自身を除く): 201262016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 13913, 27826, 55652, 69565, 111304, 139130, 222608, 278260, 431303, 445216, 556520, 862606, 890432, 1113040, 1725212, 2156515, 2226080, 3450424, 4313030, 4452160, 6900848, 8626060, 13801696, 17252120, 27603392, 34504240, 69008480, 138016960]

約数ペア:

[(1, 138016960), (2, 69008480), (4, 34504240), (5, 27603392), (8, 17252120), (10, 13801696), (16, 8626060), (20, 6900848), (31, 4452160), (32, 4313030), (40, 3450424), (62, 2226080), (64, 2156515), (80, 1725212), (124, 1113040), (155, 890432), (160, 862606), (248, 556520), (310, 445216), (320, 431303), (496, 278260), (620, 222608), (992, 139130), (1240, 111304), (1984, 69565), (2480, 55652), (4960, 27826), (9920, 13913)]