51987160

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1283}}^1$

素因数の和:2307

約数の個数: 32

約数和(自身を含む): 117177840

約数和(自身を除く): 65190680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 1283, 2026, 2566, 4052, 5065, 5132, 6415, 8104, 10130, 10264, 12830, 20260, 25660, 40520, 51320, 1299679, 2599358, 5198716, 6498395, 10397432, 12996790, 25993580, 51987160]

約数ペア:

[(1, 51987160), (2, 25993580), (4, 12996790), (5, 10397432), (8, 6498395), (10, 5198716), (20, 2599358), (40, 1299679), (1013, 51320), (1283, 40520), (2026, 25660), (2566, 20260), (4052, 12830), (5065, 10264), (5132, 10130), (6415, 8104)]