72411760

素因数分解:

$2^4\times 5^1\times {\mathrm{905147}}^1$

素因数の和:905160

約数の個数: 20

約数和(自身を含む): 168357528

約数和(自身を除く): 95945768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 905147, 1810294, 3620588, 4525735, 7241176, 9051470, 14482352, 18102940, 36205880, 72411760]

約数ペア:

[(1, 72411760), (2, 36205880), (4, 18102940), (5, 14482352), (8, 9051470), (10, 7241176), (16, 4525735), (20, 3620588), (40, 1810294), (80, 905147)]