55780820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{28753}}^1$

素因数の和:28859

約数の個数: 24

約数和(自身を含む): 118351464

約数和(自身を除く): 62570644

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 28753, 57506, 115012, 143765, 287530, 575060, 2789041, 5578082, 11156164, 13945205, 27890410, 55780820]

約数ペア:

[(1, 55780820), (2, 27890410), (4, 13945205), (5, 11156164), (10, 5578082), (20, 2789041), (97, 575060), (194, 287530), (388, 143765), (485, 115012), (970, 57506), (1940, 28753)]