78816320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22391}}^1$

素因数の和:22419

約数の個数: 56

約数和(自身を含む): 204752448

約数和(自身を除く): 125936128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 22391, 44782, 89564, 111955, 179128, 223910, 246301, 358256, 447820, 492602, 716512, 895640, 985204, 1231505, 1433024, 1791280, 1970408, 2463010, 3582560, 3940816, 4926020, 7165120, 7881632, 9852040, 15763264, 19704080, 39408160, 78816320]

約数ペア:

[(1, 78816320), (2, 39408160), (4, 19704080), (5, 15763264), (8, 9852040), (10, 7881632), (11, 7165120), (16, 4926020), (20, 3940816), (22, 3582560), (32, 2463010), (40, 1970408), (44, 1791280), (55, 1433024), (64, 1231505), (80, 985204), (88, 895640), (110, 716512), (160, 492602), (176, 447820), (220, 358256), (320, 246301), (352, 223910), (440, 179128), (704, 111955), (880, 89564), (1760, 44782), (3520, 22391)]