8120380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 18063360

約数和(自身を除く): 9942980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 139, 230, 254, 278, 460, 508, 556, 635, 695, 1270, 1390, 2540, 2780, 2921, 3197, 5842, 6394, 11684, 12788, 14605, 15985, 17653, 29210, 31970, 35306, 58420, 63940, 70612, 88265, 176530, 353060, 406019, 812038, 1624076, 2030095, 4060190, 8120380]

約数ペア:

[(1, 8120380), (2, 4060190), (4, 2030095), (5, 1624076), (10, 812038), (20, 406019), (23, 353060), (46, 176530), (92, 88265), (115, 70612), (127, 63940), (139, 58420), (230, 35306), (254, 31970), (278, 29210), (460, 17653), (508, 15985), (556, 14605), (635, 12788), (695, 11684), (1270, 6394), (1390, 5842), (2540, 3197), (2780, 2921)]