1358240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 3460968

約数和(自身を除く): 2102728

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, 653, 1040, 1306, 2080, 2612, 3265, 5224, 6530, 8489, 10448, 13060, 16978, 20896, 26120, 33956, 42445, 52240, 67912, 84890, 104480, 135824, 169780, 271648, 339560, 679120, 1358240]

約数ペア:

[(1, 1358240), (2, 679120), (4, 339560), (5, 271648), (8, 169780), (10, 135824), (13, 104480), (16, 84890), (20, 67912), (26, 52240), (32, 42445), (40, 33956), (52, 26120), (65, 20896), (80, 16978), (104, 13060), (130, 10448), (160, 8489), (208, 6530), (260, 5224), (416, 3265), (520, 2612), (653, 2080), (1040, 1306)]