16228880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11933}}^1$

素因数の和:11963

約数の個数: 40

約数和(自身を含む): 39955032

約数和(自身を除く): 23726152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11933, 23866, 47732, 59665, 95464, 119330, 190928, 202861, 238660, 405722, 477320, 811444, 954640, 1014305, 1622888, 2028610, 3245776, 4057220, 8114440, 16228880]

約数ペア:

[(1, 16228880), (2, 8114440), (4, 4057220), (5, 3245776), (8, 2028610), (10, 1622888), (16, 1014305), (17, 954640), (20, 811444), (34, 477320), (40, 405722), (68, 238660), (80, 202861), (85, 190928), (136, 119330), (170, 95464), (272, 59665), (340, 47732), (680, 23866), (1360, 11933)]