40338568

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 77584320

約数和(自身を除く): 37245752

約数列:

[1, 2, 4, 8, 61, 122, 131, 244, 262, 488, 524, 631, 1048, 1262, 2524, 5048, 7991, 15982, 31964, 38491, 63928, 76982, 82661, 153964, 165322, 307928, 330644, 661288, 5042321, 10084642, 20169284, 40338568]

約数ペア:

[(1, 40338568), (2, 20169284), (4, 10084642), (8, 5042321), (61, 661288), (122, 330644), (131, 307928), (244, 165322), (262, 153964), (488, 82661), (524, 76982), (631, 63928), (1048, 38491), (1262, 31964), (2524, 15982), (5048, 7991)]