80533940

素因数分解:

$2^2\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{2143}}^1$

素因数の和:4031

約数の個数: 24

約数和(自身を含む): 169290240

約数和(自身を除く): 88756300

約数列:

[1, 2, 4, 5, 10, 20, 1879, 2143, 3758, 4286, 7516, 8572, 9395, 10715, 18790, 21430, 37580, 42860, 4026697, 8053394, 16106788, 20133485, 40266970, 80533940]

約数ペア:

[(1, 80533940), (2, 40266970), (4, 20133485), (5, 16106788), (10, 8053394), (20, 4026697), (1879, 42860), (2143, 37580), (3758, 21430), (4286, 18790), (7516, 10715), (8572, 9395)]