16520320

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 40098240

約数和(自身を除く): 23577920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 311, 320, 332, 415, 622, 640, 664, 830, 1244, 1328, 1555, 1660, 2488, 2656, 3110, 3320, 4976, 5312, 6220, 6640, 9952, 10624, 12440, 13280, 19904, 24880, 25813, 26560, 39808, 49760, 51626, 53120, 99520, 103252, 129065, 199040, 206504, 258130, 413008, 516260, 826016, 1032520, 1652032, 2065040, 3304064, 4130080, 8260160, 16520320]

約数ペア:

[(1, 16520320), (2, 8260160), (4, 4130080), (5, 3304064), (8, 2065040), (10, 1652032), (16, 1032520), (20, 826016), (32, 516260), (40, 413008), (64, 258130), (80, 206504), (83, 199040), (128, 129065), (160, 103252), (166, 99520), (311, 53120), (320, 51626), (332, 49760), (415, 39808), (622, 26560), (640, 25813), (664, 24880), (830, 19904), (1244, 13280), (1328, 12440), (1555, 10624), (1660, 9952), (2488, 6640), (2656, 6220), (3110, 5312), (3320, 4976)]