15235720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20047}}^1$

素因数の和:20077

約数の個数: 32

約数和(自身を含む): 36086400

約数和(自身を除く): 20850680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20047, 40094, 80188, 100235, 160376, 200470, 380893, 400940, 761786, 801880, 1523572, 1904465, 3047144, 3808930, 7617860, 15235720]

約数ペア:

[(1, 15235720), (2, 7617860), (4, 3808930), (5, 3047144), (8, 1904465), (10, 1523572), (19, 801880), (20, 761786), (38, 400940), (40, 380893), (76, 200470), (95, 160376), (152, 100235), (190, 80188), (380, 40094), (760, 20047)]