2919640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 6713280

約数和(自身を除く): 3793640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1553, 1880, 3106, 6212, 7765, 12424, 15530, 31060, 62120, 72991, 145982, 291964, 364955, 583928, 729910, 1459820, 2919640]

約数ペア:

[(1, 2919640), (2, 1459820), (4, 729910), (5, 583928), (8, 364955), (10, 291964), (20, 145982), (40, 72991), (47, 62120), (94, 31060), (188, 15530), (235, 12424), (376, 7765), (470, 6212), (940, 3106), (1553, 1880)]