82164820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1033}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 178749648

約数和(自身を除く): 96584828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1033, 1940, 2066, 3977, 4132, 5165, 7954, 10330, 15908, 19885, 20660, 39770, 42353, 79540, 84706, 100201, 169412, 200402, 211765, 400804, 423530, 501005, 847060, 1002010, 2004020, 4108241, 8216482, 16432964, 20541205, 41082410, 82164820]

約数ペア:

[(1, 82164820), (2, 41082410), (4, 20541205), (5, 16432964), (10, 8216482), (20, 4108241), (41, 2004020), (82, 1002010), (97, 847060), (164, 501005), (194, 423530), (205, 400804), (388, 211765), (410, 200402), (485, 169412), (820, 100201), (970, 84706), (1033, 79540), (1940, 42353), (2066, 39770), (3977, 20660), (4132, 19885), (5165, 15908), (7954, 10330)]