80894440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1627}}^1$

素因数の和:1762

約数の個数: 64

約数和(自身を含む): 200439360

約数和(自身を除く): 119544920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 904, 1130, 1243, 1627, 2260, 2486, 3254, 4520, 4972, 6215, 6508, 8135, 9944, 12430, 13016, 16270, 17897, 24860, 32540, 35794, 49720, 65080, 71588, 89485, 143176, 178970, 183851, 357940, 367702, 715880, 735404, 919255, 1470808, 1838510, 2022361, 3677020, 4044722, 7354040, 8089444, 10111805, 16178888, 20223610, 40447220, 80894440]

約数ペア:

[(1, 80894440), (2, 40447220), (4, 20223610), (5, 16178888), (8, 10111805), (10, 8089444), (11, 7354040), (20, 4044722), (22, 3677020), (40, 2022361), (44, 1838510), (55, 1470808), (88, 919255), (110, 735404), (113, 715880), (220, 367702), (226, 357940), (440, 183851), (452, 178970), (565, 143176), (904, 89485), (1130, 71588), (1243, 65080), (1627, 49720), (2260, 35794), (2486, 32540), (3254, 24860), (4520, 17897), (4972, 16270), (6215, 13016), (6508, 12430), (8135, 9944)]