211799120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{203653}}^1$

素因数の和:203679

約数の個数: 40

約数和(自身を含む): 530315016

約数和(自身を除く): 318515896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 203653, 407306, 814612, 1018265, 1629224, 2036530, 2647489, 3258448, 4073060, 5294978, 8146120, 10589956, 13237445, 16292240, 21179912, 26474890, 42359824, 52949780, 105899560, 211799120]

約数ペア:

[(1, 211799120), (2, 105899560), (4, 52949780), (5, 42359824), (8, 26474890), (10, 21179912), (13, 16292240), (16, 13237445), (20, 10589956), (26, 8146120), (40, 5294978), (52, 4073060), (65, 3258448), (80, 2647489), (104, 2036530), (130, 1629224), (208, 1018265), (260, 814612), (520, 407306), (1040, 203653)]