38979940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 86365440

約数和(自身を除く): 47385500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 404, 460, 505, 839, 1010, 1678, 2020, 2323, 3356, 4195, 4646, 8390, 9292, 11615, 16780, 19297, 23230, 38594, 46460, 77188, 84739, 96485, 169478, 192970, 338956, 385940, 423695, 847390, 1694780, 1948997, 3897994, 7795988, 9744985, 19489970, 38979940]

約数ペア:

[(1, 38979940), (2, 19489970), (4, 9744985), (5, 7795988), (10, 3897994), (20, 1948997), (23, 1694780), (46, 847390), (92, 423695), (101, 385940), (115, 338956), (202, 192970), (230, 169478), (404, 96485), (460, 84739), (505, 77188), (839, 46460), (1010, 38594), (1678, 23230), (2020, 19297), (2323, 16780), (3356, 11615), (4195, 9292), (4646, 8390)]