80881810

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{1097}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 149178672

約数和(自身を除く): 68296862

約数列:

[1, 2, 5, 10, 73, 101, 146, 202, 365, 505, 730, 1010, 1097, 2194, 5485, 7373, 10970, 14746, 36865, 73730, 80081, 110797, 160162, 221594, 400405, 553985, 800810, 1107970, 8088181, 16176362, 40440905, 80881810]

約数ペア:

[(1, 80881810), (2, 40440905), (5, 16176362), (10, 8088181), (73, 1107970), (101, 800810), (146, 553985), (202, 400405), (365, 221594), (505, 160162), (730, 110797), (1010, 80081), (1097, 73730), (2194, 36865), (5485, 14746), (7373, 10970)]