283531520

素因数分解:

$2^8\times 5^1\times {\mathrm{221509}}^1$

素因数の和:221530

約数の個数: 36

約数和(自身を含む): 679149660

約数和(自身を除く): 395618140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 221509, 443018, 886036, 1107545, 1772072, 2215090, 3544144, 4430180, 7088288, 8860360, 14176576, 17720720, 28353152, 35441440, 56706304, 70882880, 141765760, 283531520]

約数ペア:

[(1, 283531520), (2, 141765760), (4, 70882880), (5, 56706304), (8, 35441440), (10, 28353152), (16, 17720720), (20, 14176576), (32, 8860360), (40, 7088288), (64, 4430180), (80, 3544144), (128, 2215090), (160, 1772072), (256, 1107545), (320, 886036), (640, 443018), (1280, 221509)]