1336656880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1285247}}^1$

素因数の和:1285273

約数の個数: 40

約数和(自身を含む): 3346785792

約数和(自身を除く): 2010128912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1285247, 2570494, 5140988, 6426235, 10281976, 12852470, 16708211, 20563952, 25704940, 33416422, 51409880, 66832844, 83541055, 102819760, 133665688, 167082110, 267331376, 334164220, 668328440, 1336656880]

約数ペア:

[(1, 1336656880), (2, 668328440), (4, 334164220), (5, 267331376), (8, 167082110), (10, 133665688), (13, 102819760), (16, 83541055), (20, 66832844), (26, 51409880), (40, 33416422), (52, 25704940), (65, 20563952), (80, 16708211), (104, 12852470), (130, 10281976), (208, 6426235), (260, 5140988), (520, 2570494), (1040, 1285247)]