78200320

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2777}}^1$

素因数の和:2811

約数の個数: 80

約数和(自身を含む): 204616368

約数和(自身を除く): 126416048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2777, 2816, 3520, 5554, 5632, 7040, 11108, 13885, 14080, 22216, 27770, 28160, 30547, 44432, 55540, 61094, 88864, 111080, 122188, 152735, 177728, 222160, 244376, 305470, 355456, 444320, 488752, 610940, 710912, 888640, 977504, 1221880, 1421824, 1777280, 1955008, 2443760, 3554560, 3910016, 4887520, 7109120, 7820032, 9775040, 15640064, 19550080, 39100160, 78200320]

約数ペア:

[(1, 78200320), (2, 39100160), (4, 19550080), (5, 15640064), (8, 9775040), (10, 7820032), (11, 7109120), (16, 4887520), (20, 3910016), (22, 3554560), (32, 2443760), (40, 1955008), (44, 1777280), (55, 1421824), (64, 1221880), (80, 977504), (88, 888640), (110, 710912), (128, 610940), (160, 488752), (176, 444320), (220, 355456), (256, 305470), (320, 244376), (352, 222160), (440, 177728), (512, 152735), (640, 122188), (704, 111080), (880, 88864), (1280, 61094), (1408, 55540), (1760, 44432), (2560, 30547), (2777, 28160), (2816, 27770), (3520, 22216), (5554, 14080), (5632, 13885), (7040, 11108)]