16901080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8623}}^1$

素因数の和:8648

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 27340040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8623, 17246, 34492, 43115, 60361, 68984, 86230, 120722, 172460, 241444, 301805, 344920, 422527, 482888, 603610, 845054, 1207220, 1690108, 2112635, 2414440, 3380216, 4225270, 8450540, 16901080]

約数ペア:

[(1, 16901080), (2, 8450540), (4, 4225270), (5, 3380216), (7, 2414440), (8, 2112635), (10, 1690108), (14, 1207220), (20, 845054), (28, 603610), (35, 482888), (40, 422527), (49, 344920), (56, 301805), (70, 241444), (98, 172460), (140, 120722), (196, 86230), (245, 68984), (280, 60361), (392, 43115), (490, 34492), (980, 17246), (1960, 8623)]