858256880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{825247}}^1$

素因数の和:825273

約数の個数: 40

約数和(自身を含む): 2148945792

約数和(自身を除く): 1290688912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 825247, 1650494, 3300988, 4126235, 6601976, 8252470, 10728211, 13203952, 16504940, 21456422, 33009880, 42912844, 53641055, 66019760, 85825688, 107282110, 171651376, 214564220, 429128440, 858256880]

約数ペア:

[(1, 858256880), (2, 429128440), (4, 214564220), (5, 171651376), (8, 107282110), (10, 85825688), (13, 66019760), (16, 53641055), (20, 42912844), (26, 33009880), (40, 21456422), (52, 16504940), (65, 13203952), (80, 10728211), (104, 8252470), (130, 6601976), (208, 4126235), (260, 3300988), (520, 1650494), (1040, 825247)]