12993760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6247}}^1$

素因数の和:6275

約数の個数: 48

約数和(自身を含む): 33064416

約数和(自身を除く): 20070656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 6247, 12494, 24988, 31235, 49976, 62470, 81211, 99952, 124940, 162422, 199904, 249880, 324844, 406055, 499760, 649688, 812110, 999520, 1299376, 1624220, 2598752, 3248440, 6496880, 12993760]

約数ペア:

[(1, 12993760), (2, 6496880), (4, 3248440), (5, 2598752), (8, 1624220), (10, 1299376), (13, 999520), (16, 812110), (20, 649688), (26, 499760), (32, 406055), (40, 324844), (52, 249880), (65, 199904), (80, 162422), (104, 124940), (130, 99952), (160, 81211), (208, 62470), (260, 49976), (416, 31235), (520, 24988), (1040, 12494), (2080, 6247)]