17512120

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{683}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 39521520

約数和(自身を除く): 22009400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 683, 1282, 1366, 2564, 2732, 3205, 3415, 5128, 5464, 6410, 6830, 12820, 13660, 25640, 27320, 437803, 875606, 1751212, 2189015, 3502424, 4378030, 8756060, 17512120]

約数ペア:

[(1, 17512120), (2, 8756060), (4, 4378030), (5, 3502424), (8, 2189015), (10, 1751212), (20, 875606), (40, 437803), (641, 27320), (683, 25640), (1282, 13660), (1366, 12820), (2564, 6830), (2732, 6410), (3205, 5464), (3415, 5128)]