205693760

素因数分解:

$2^6\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1451}}^1$

素因数の和:1911

約数の個数: 56

約数和(自身を含む): 491252256

約数和(自身を除く): 285558496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 443, 886, 1451, 1772, 2215, 2902, 3544, 4430, 5804, 7088, 7255, 8860, 11608, 14176, 14510, 17720, 23216, 28352, 29020, 35440, 46432, 58040, 70880, 92864, 116080, 141760, 232160, 464320, 642793, 1285586, 2571172, 3213965, 5142344, 6427930, 10284688, 12855860, 20569376, 25711720, 41138752, 51423440, 102846880, 205693760]

約数ペア:

[(1, 205693760), (2, 102846880), (4, 51423440), (5, 41138752), (8, 25711720), (10, 20569376), (16, 12855860), (20, 10284688), (32, 6427930), (40, 5142344), (64, 3213965), (80, 2571172), (160, 1285586), (320, 642793), (443, 464320), (886, 232160), (1451, 141760), (1772, 116080), (2215, 92864), (2902, 70880), (3544, 58040), (4430, 46432), (5804, 35440), (7088, 29020), (7255, 28352), (8860, 23216), (11608, 17720), (14176, 14510)]