13209760

素因数分解:

$2^5\times 5^1\times {\mathrm{82561}}^1$

素因数の和:82576

約数の個数: 24

約数和(自身を含む): 31208436

約数和(自身を除く): 17998676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 82561, 165122, 330244, 412805, 660488, 825610, 1320976, 1651220, 2641952, 3302440, 6604880, 13209760]

約数ペア:

[(1, 13209760), (2, 6604880), (4, 3302440), (5, 2641952), (8, 1651220), (10, 1320976), (16, 825610), (20, 660488), (32, 412805), (40, 330244), (80, 165122), (160, 82561)]