80173936

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{161641}}^1$

素因数の和:161680

約数の個数: 20

約数和(自身を含む): 160348864

約数和(自身を除く): 80174928

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 161641, 323282, 646564, 1293128, 2586256, 5010871, 10021742, 20043484, 40086968, 80173936]

約数ペア:

[(1, 80173936), (2, 40086968), (4, 20043484), (8, 10021742), (16, 5010871), (31, 2586256), (62, 1293128), (124, 646564), (248, 323282), (496, 161641)]