15425720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20297}}^1$

素因数の和:20327

約数の個数: 32

約数和(自身を含む): 36536400

約数和(自身を除く): 21110680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20297, 40594, 81188, 101485, 162376, 202970, 385643, 405940, 771286, 811880, 1542572, 1928215, 3085144, 3856430, 7712860, 15425720]

約数ペア:

[(1, 15425720), (2, 7712860), (4, 3856430), (5, 3085144), (8, 1928215), (10, 1542572), (19, 811880), (20, 771286), (38, 405940), (40, 385643), (76, 202970), (95, 162376), (152, 101485), (190, 81188), (380, 40594), (760, 20297)]