78780640

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3877}}^1$

素因数の和:4019

約数の個数: 48

約数和(自身を含む): 187633152

約数和(自身を除く): 108852512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 3877, 4064, 5080, 7754, 10160, 15508, 19385, 20320, 31016, 38770, 62032, 77540, 124064, 155080, 310160, 492379, 620320, 984758, 1969516, 2461895, 3939032, 4923790, 7878064, 9847580, 15756128, 19695160, 39390320, 78780640]

約数ペア:

[(1, 78780640), (2, 39390320), (4, 19695160), (5, 15756128), (8, 9847580), (10, 7878064), (16, 4923790), (20, 3939032), (32, 2461895), (40, 1969516), (80, 984758), (127, 620320), (160, 492379), (254, 310160), (508, 155080), (635, 124064), (1016, 77540), (1270, 62032), (2032, 38770), (2540, 31016), (3877, 20320), (4064, 19385), (5080, 15508), (7754, 10160)]