51382130

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 94868928

約数和(自身を除く): 43486798

約数列:

[1, 2, 5, 10, 61, 122, 131, 262, 305, 610, 643, 655, 1286, 1310, 3215, 6430, 7991, 15982, 39223, 39955, 78446, 79910, 84233, 168466, 196115, 392230, 421165, 842330, 5138213, 10276426, 25691065, 51382130]

約数ペア:

[(1, 51382130), (2, 25691065), (5, 10276426), (10, 5138213), (61, 842330), (122, 421165), (131, 392230), (262, 196115), (305, 168466), (610, 84233), (643, 79910), (655, 78446), (1286, 39955), (1310, 39223), (3215, 15982), (6430, 7991)]