80965180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{130589}}^1$

素因数の和:130629

約数の個数: 24

約数和(自身を含む): 175512960

約数和(自身を除く): 94547780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 130589, 261178, 522356, 652945, 1305890, 2611780, 4048259, 8096518, 16193036, 20241295, 40482590, 80965180]

約数ペア:

[(1, 80965180), (2, 40482590), (4, 20241295), (5, 16193036), (10, 8096518), (20, 4048259), (31, 2611780), (62, 1305890), (124, 652945), (155, 522356), (310, 261178), (620, 130589)]