67783820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4919}}^1$

素因数の和:4994

約数の個数: 48

約数和(自身を含む): 156219840

約数和(自身を除く): 88436020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 4919, 6890, 9838, 13780, 19676, 24595, 49190, 63947, 98380, 127894, 255788, 260707, 319735, 521414, 639470, 1042828, 1278940, 1303535, 2607070, 3389191, 5214140, 6778382, 13556764, 16945955, 33891910, 67783820]

約数ペア:

[(1, 67783820), (2, 33891910), (4, 16945955), (5, 13556764), (10, 6778382), (13, 5214140), (20, 3389191), (26, 2607070), (52, 1303535), (53, 1278940), (65, 1042828), (106, 639470), (130, 521414), (212, 319735), (260, 260707), (265, 255788), (530, 127894), (689, 98380), (1060, 63947), (1378, 49190), (2756, 24595), (3445, 19676), (4919, 13780), (6890, 9838)]