99111920

素因数分解:

$2^4\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1223}}^1$

素因数の和:2249

約数の個数: 40

約数和(自身を含む): 230851296

約数和(自身を除く): 131739376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1013, 1223, 2026, 2446, 4052, 4892, 5065, 6115, 8104, 9784, 10130, 12230, 16208, 19568, 20260, 24460, 40520, 48920, 81040, 97840, 1238899, 2477798, 4955596, 6194495, 9911192, 12388990, 19822384, 24777980, 49555960, 99111920]

約数ペア:

[(1, 99111920), (2, 49555960), (4, 24777980), (5, 19822384), (8, 12388990), (10, 9911192), (16, 6194495), (20, 4955596), (40, 2477798), (80, 1238899), (1013, 97840), (1223, 81040), (2026, 48920), (2446, 40520), (4052, 24460), (4892, 20260), (5065, 19568), (6115, 16208), (8104, 12230), (9784, 10130)]