864160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 2231712

約数和(自身を除く): 1367552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 491, 880, 982, 1760, 1964, 2455, 3928, 4910, 5401, 7856, 9820, 10802, 15712, 19640, 21604, 27005, 39280, 43208, 54010, 78560, 86416, 108020, 172832, 216040, 432080, 864160]

約数ペア:

[(1, 864160), (2, 432080), (4, 216040), (5, 172832), (8, 108020), (10, 86416), (11, 78560), (16, 54010), (20, 43208), (22, 39280), (32, 27005), (40, 21604), (44, 19640), (55, 15712), (80, 10802), (88, 9820), (110, 7856), (160, 5401), (176, 4910), (220, 3928), (352, 2455), (440, 1964), (491, 1760), (880, 982)]