40977848

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 78811920

約数和(自身を除く): 37834072

約数列:

[1, 2, 4, 8, 61, 122, 131, 244, 262, 488, 524, 641, 1048, 1282, 2564, 5128, 7991, 15982, 31964, 39101, 63928, 78202, 83971, 156404, 167942, 312808, 335884, 671768, 5122231, 10244462, 20488924, 40977848]

約数ペア:

[(1, 40977848), (2, 20488924), (4, 10244462), (8, 5122231), (61, 671768), (122, 335884), (131, 312808), (244, 167942), (262, 156404), (488, 83971), (524, 78202), (641, 63928), (1048, 39101), (1282, 31964), (2564, 15982), (5128, 7991)]