80609440

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3967}}^1$

素因数の和:4109

約数の個数: 48

約数和(自身を含む): 191987712

約数和(自身を除く): 111378272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 3967, 4064, 5080, 7934, 10160, 15868, 19835, 20320, 31736, 39670, 63472, 79340, 126944, 158680, 317360, 503809, 634720, 1007618, 2015236, 2519045, 4030472, 5038090, 8060944, 10076180, 16121888, 20152360, 40304720, 80609440]

約数ペア:

[(1, 80609440), (2, 40304720), (4, 20152360), (5, 16121888), (8, 10076180), (10, 8060944), (16, 5038090), (20, 4030472), (32, 2519045), (40, 2015236), (80, 1007618), (127, 634720), (160, 503809), (254, 317360), (508, 158680), (635, 126944), (1016, 79340), (1270, 63472), (2032, 39670), (2540, 31736), (3967, 20320), (4064, 19835), (5080, 15868), (7934, 10160)]