84340880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81097}}^1$

素因数の和:81123

約数の個数: 40

約数和(自身を含む): 211179192

約数和(自身を除く): 126838312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 81097, 162194, 324388, 405485, 648776, 810970, 1054261, 1297552, 1621940, 2108522, 3243880, 4217044, 5271305, 6487760, 8434088, 10542610, 16868176, 21085220, 42170440, 84340880]

約数ペア:

[(1, 84340880), (2, 42170440), (4, 21085220), (5, 16868176), (8, 10542610), (10, 8434088), (13, 6487760), (16, 5271305), (20, 4217044), (26, 3243880), (40, 2108522), (52, 1621940), (65, 1297552), (80, 1054261), (104, 810970), (130, 648776), (208, 405485), (260, 324388), (520, 162194), (1040, 81097)]