124480520

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12109}}^1$

素因数の和:12377

約数の個数: 32

約数和(自身を含む): 281194200

約数和(自身を除く): 156713680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 12109, 24218, 48436, 60545, 96872, 121090, 242180, 484360, 3112013, 6224026, 12448052, 15560065, 24896104, 31120130, 62240260, 124480520]

約数ペア:

[(1, 124480520), (2, 62240260), (4, 31120130), (5, 24896104), (8, 15560065), (10, 12448052), (20, 6224026), (40, 3112013), (257, 484360), (514, 242180), (1028, 121090), (1285, 96872), (2056, 60545), (2570, 48436), (5140, 24218), (10280, 12109)]