85779760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{911}}^1$

素因数の和:1042

約数の個数: 80

約数和(自身を含む): 219843072

約数和(自身を除く): 134063312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 176, 214, 220, 428, 440, 535, 856, 880, 911, 1070, 1177, 1712, 1822, 2140, 2354, 3644, 4280, 4555, 4708, 5885, 7288, 8560, 9110, 9416, 10021, 11770, 14576, 18220, 18832, 20042, 23540, 36440, 40084, 47080, 50105, 72880, 80168, 94160, 97477, 100210, 160336, 194954, 200420, 389908, 400840, 487385, 779816, 801680, 974770, 1072247, 1559632, 1949540, 2144494, 3899080, 4288988, 5361235, 7798160, 8577976, 10722470, 17155952, 21444940, 42889880, 85779760]

約数ペア:

[(1, 85779760), (2, 42889880), (4, 21444940), (5, 17155952), (8, 10722470), (10, 8577976), (11, 7798160), (16, 5361235), (20, 4288988), (22, 3899080), (40, 2144494), (44, 1949540), (55, 1559632), (80, 1072247), (88, 974770), (107, 801680), (110, 779816), (176, 487385), (214, 400840), (220, 389908), (428, 200420), (440, 194954), (535, 160336), (856, 100210), (880, 97477), (911, 94160), (1070, 80168), (1177, 72880), (1712, 50105), (1822, 47080), (2140, 40084), (2354, 36440), (3644, 23540), (4280, 20042), (4555, 18832), (4708, 18220), (5885, 14576), (7288, 11770), (8560, 10021), (9110, 9416)]