42215240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25741}}^1$

素因数の和:25793

約数の個数: 32

約数和(自身を含む): 97304760

約数和(自身を除く): 55089520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25741, 51482, 102964, 128705, 205928, 257410, 514820, 1029640, 1055381, 2110762, 4221524, 5276905, 8443048, 10553810, 21107620, 42215240]

約数ペア:

[(1, 42215240), (2, 21107620), (4, 10553810), (5, 8443048), (8, 5276905), (10, 4221524), (20, 2110762), (40, 1055381), (41, 1029640), (82, 514820), (164, 257410), (205, 205928), (328, 128705), (410, 102964), (820, 51482), (1640, 25741)]