921540880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{886097}}^1$

素因数の和:886123

約数の個数: 40

約数和(自身を含む): 2307399192

約数和(自身を除く): 1385858312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 886097, 1772194, 3544388, 4430485, 7088776, 8860970, 11519261, 14177552, 17721940, 23038522, 35443880, 46077044, 57596305, 70887760, 92154088, 115192610, 184308176, 230385220, 460770440, 921540880]

約数ペア:

[(1, 921540880), (2, 460770440), (4, 230385220), (5, 184308176), (8, 115192610), (10, 92154088), (13, 70887760), (16, 57596305), (20, 46077044), (26, 35443880), (40, 23038522), (52, 17721940), (65, 14177552), (80, 11519261), (104, 8860970), (130, 7088776), (208, 4430485), (260, 3544388), (520, 1772194), (1040, 886097)]