53751580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 115577280

約数和(自身を除く): 61825700

約数列:

[1, 2, 4, 5, 10, 20, 97, 103, 194, 206, 269, 388, 412, 485, 515, 538, 970, 1030, 1076, 1345, 1940, 2060, 2690, 5380, 9991, 19982, 26093, 27707, 39964, 49955, 52186, 55414, 99910, 104372, 110828, 130465, 138535, 199820, 260930, 277070, 521860, 554140, 2687579, 5375158, 10750316, 13437895, 26875790, 53751580]

約数ペア:

[(1, 53751580), (2, 26875790), (4, 13437895), (5, 10750316), (10, 5375158), (20, 2687579), (97, 554140), (103, 521860), (194, 277070), (206, 260930), (269, 199820), (388, 138535), (412, 130465), (485, 110828), (515, 104372), (538, 99910), (970, 55414), (1030, 52186), (1076, 49955), (1345, 39964), (1940, 27707), (2060, 26093), (2690, 19982), (5380, 9991)]