72580120

素因数分解:

$2^3\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{1399}}^1$

素因数の和:2707

約数の個数: 32

約数和(自身を含む): 163548000

約数和(自身を除く): 90967880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1297, 1399, 2594, 2798, 5188, 5596, 6485, 6995, 10376, 11192, 12970, 13990, 25940, 27980, 51880, 55960, 1814503, 3629006, 7258012, 9072515, 14516024, 18145030, 36290060, 72580120]

約数ペア:

[(1, 72580120), (2, 36290060), (4, 18145030), (5, 14516024), (8, 9072515), (10, 7258012), (20, 3629006), (40, 1814503), (1297, 55960), (1399, 51880), (2594, 27980), (2798, 25940), (5188, 13990), (5596, 12970), (6485, 11192), (6995, 10376)]