207821120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49957}}^1$

素因数の和:49987

約数の個数: 56

約数和(自身を含む): 532951944

約数和(自身を除く): 325130824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 49957, 99914, 199828, 249785, 399656, 499570, 649441, 799312, 999140, 1298882, 1598624, 1998280, 2597764, 3197248, 3247205, 3996560, 5195528, 6494410, 7993120, 10391056, 12988820, 15986240, 20782112, 25977640, 41564224, 51955280, 103910560, 207821120]

約数ペア:

[(1, 207821120), (2, 103910560), (4, 51955280), (5, 41564224), (8, 25977640), (10, 20782112), (13, 15986240), (16, 12988820), (20, 10391056), (26, 7993120), (32, 6494410), (40, 5195528), (52, 3996560), (64, 3247205), (65, 3197248), (80, 2597764), (104, 1998280), (130, 1598624), (160, 1298882), (208, 999140), (260, 799312), (320, 649441), (416, 499570), (520, 399656), (832, 249785), (1040, 199828), (2080, 99914), (4160, 49957)]