79855700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{19477}}^1$

素因数の和:19532

約数の個数: 36

約数和(自身を含む): 177522492

約数和(自身を除く): 97666792

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 19477, 38954, 77908, 97385, 194770, 389540, 486925, 798557, 973850, 1597114, 1947700, 3194228, 3992785, 7985570, 15971140, 19963925, 39927850, 79855700]

約数ペア:

[(1, 79855700), (2, 39927850), (4, 19963925), (5, 15971140), (10, 7985570), (20, 3992785), (25, 3194228), (41, 1947700), (50, 1597114), (82, 973850), (100, 798557), (164, 486925), (205, 389540), (410, 194770), (820, 97385), (1025, 77908), (2050, 38954), (4100, 19477)]