80411320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1439}}^1$

素因数の和:1588

約数の個数: 64

約数和(自身を含む): 199065600

約数和(自身を除く): 118654280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 440, 508, 635, 1016, 1270, 1397, 1439, 2540, 2794, 2878, 5080, 5588, 5756, 6985, 7195, 11176, 11512, 13970, 14390, 15829, 27940, 28780, 31658, 55880, 57560, 63316, 79145, 126632, 158290, 182753, 316580, 365506, 633160, 731012, 913765, 1462024, 1827530, 2010283, 3655060, 4020566, 7310120, 8041132, 10051415, 16082264, 20102830, 40205660, 80411320]

約数ペア:

[(1, 80411320), (2, 40205660), (4, 20102830), (5, 16082264), (8, 10051415), (10, 8041132), (11, 7310120), (20, 4020566), (22, 3655060), (40, 2010283), (44, 1827530), (55, 1462024), (88, 913765), (110, 731012), (127, 633160), (220, 365506), (254, 316580), (440, 182753), (508, 158290), (635, 126632), (1016, 79145), (1270, 63316), (1397, 57560), (1439, 55880), (2540, 31658), (2794, 28780), (2878, 27940), (5080, 15829), (5588, 14390), (5756, 13970), (6985, 11512), (7195, 11176)]