28176640

素因数分解:

$2^8\times 5^1\times {\mathrm{22013}}^1$

素因数の和:22034

約数の個数: 36

約数和(自身を含む): 67494924

約数和(自身を除く): 39318284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22013, 44026, 88052, 110065, 176104, 220130, 352208, 440260, 704416, 880520, 1408832, 1761040, 2817664, 3522080, 5635328, 7044160, 14088320, 28176640]

約数ペア:

[(1, 28176640), (2, 14088320), (4, 7044160), (5, 5635328), (8, 3522080), (10, 2817664), (16, 1761040), (20, 1408832), (32, 880520), (40, 704416), (64, 440260), (80, 352208), (128, 220130), (160, 176104), (256, 110065), (320, 88052), (640, 44026), (1280, 22013)]