77859820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{94951}}^1$

素因数の和:95001

約数の個数: 24

約数和(自身を含む): 167495328

約数和(自身を除く): 89635508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 94951, 189902, 379804, 474755, 949510, 1899020, 3892991, 7785982, 15571964, 19464955, 38929910, 77859820]

約数ペア:

[(1, 77859820), (2, 38929910), (4, 19464955), (5, 15571964), (10, 7785982), (20, 3892991), (41, 1899020), (82, 949510), (164, 474755), (205, 379804), (410, 189902), (820, 94951)]