11509040

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{491}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 26904528

約数和(自身を除く): 15395488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 491, 586, 982, 1172, 1465, 1964, 2344, 2455, 2930, 3928, 4688, 4910, 5860, 7856, 9820, 11720, 19640, 23440, 39280, 143863, 287726, 575452, 719315, 1150904, 1438630, 2301808, 2877260, 5754520, 11509040]

約数ペア:

[(1, 11509040), (2, 5754520), (4, 2877260), (5, 2301808), (8, 1438630), (10, 1150904), (16, 719315), (20, 575452), (40, 287726), (80, 143863), (293, 39280), (491, 23440), (586, 19640), (982, 11720), (1172, 9820), (1465, 7856), (1964, 5860), (2344, 4910), (2455, 4688), (2930, 3928)]