202159640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{52103}}^1$

素因数の和:52211

約数の個数: 32

約数和(自身を含む): 459557280

約数和(自身を除く): 257397640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 52103, 104206, 208412, 260515, 416824, 521030, 1042060, 2084120, 5053991, 10107982, 20215964, 25269955, 40431928, 50539910, 101079820, 202159640]

約数ペア:

[(1, 202159640), (2, 101079820), (4, 50539910), (5, 40431928), (8, 25269955), (10, 20215964), (20, 10107982), (40, 5053991), (97, 2084120), (194, 1042060), (388, 521030), (485, 416824), (776, 260515), (970, 208412), (1940, 104206), (3880, 52103)]