81980050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71287}}^1$

素因数の和:71322

約数の個数: 24

約数和(自身を含む): 159114816

約数和(自身を除く): 77134766

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 71287, 142574, 356435, 712870, 1639601, 1782175, 3279202, 3564350, 8198005, 16396010, 40990025, 81980050]

約数ペア:

[(1, 81980050), (2, 40990025), (5, 16396010), (10, 8198005), (23, 3564350), (25, 3279202), (46, 1782175), (50, 1639601), (115, 712870), (230, 356435), (575, 142574), (1150, 71287)]