4431880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1097}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 10079640

約数和(自身を除く): 5647760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1097, 2020, 2194, 4040, 4388, 5485, 8776, 10970, 21940, 43880, 110797, 221594, 443188, 553985, 886376, 1107970, 2215940, 4431880]

約数ペア:

[(1, 4431880), (2, 2215940), (4, 1107970), (5, 886376), (8, 553985), (10, 443188), (20, 221594), (40, 110797), (101, 43880), (202, 21940), (404, 10970), (505, 8776), (808, 5485), (1010, 4388), (1097, 4040), (2020, 2194)]