25940120

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2393}}^1$

素因数の和:2675

約数の個数: 32

約数和(自身を含む): 58605120

約数和(自身を除く): 32665000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2393, 2710, 4786, 5420, 9572, 10840, 11965, 19144, 23930, 47860, 95720, 648503, 1297006, 2594012, 3242515, 5188024, 6485030, 12970060, 25940120]

約数ペア:

[(1, 25940120), (2, 12970060), (4, 6485030), (5, 5188024), (8, 3242515), (10, 2594012), (20, 1297006), (40, 648503), (271, 95720), (542, 47860), (1084, 23930), (1355, 19144), (2168, 11965), (2393, 10840), (2710, 9572), (4786, 5420)]