28024520

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1093}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 63211320

約数和(自身を除く): 35186800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1093, 1282, 2186, 2564, 3205, 4372, 5128, 5465, 6410, 8744, 10930, 12820, 21860, 25640, 43720, 700613, 1401226, 2802452, 3503065, 5604904, 7006130, 14012260, 28024520]

約数ペア:

[(1, 28024520), (2, 14012260), (4, 7006130), (5, 5604904), (8, 3503065), (10, 2802452), (20, 1401226), (40, 700613), (641, 43720), (1093, 25640), (1282, 21860), (2186, 12820), (2564, 10930), (3205, 8744), (4372, 6410), (5128, 5465)]