55456040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81553}}^1$

素因数の和:81581

約数の個数: 32

約数和(自身を含む): 132117480

約数和(自身を除く): 76661440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81553, 163106, 326212, 407765, 652424, 815530, 1386401, 1631060, 2772802, 3262120, 5545604, 6932005, 11091208, 13864010, 27728020, 55456040]

約数ペア:

[(1, 55456040), (2, 27728020), (4, 13864010), (5, 11091208), (8, 6932005), (10, 5545604), (17, 3262120), (20, 2772802), (34, 1631060), (40, 1386401), (68, 815530), (85, 652424), (136, 407765), (170, 326212), (340, 163106), (680, 81553)]