133495960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{256723}}^1$

素因数の和:256747

約数の個数: 32

約数和(自身を含む): 323472240

約数和(自身を除く): 189976280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 256723, 513446, 1026892, 1283615, 2053784, 2567230, 3337399, 5134460, 6674798, 10268920, 13349596, 16686995, 26699192, 33373990, 66747980, 133495960]

約数ペア:

[(1, 133495960), (2, 66747980), (4, 33373990), (5, 26699192), (8, 16686995), (10, 13349596), (13, 10268920), (20, 6674798), (26, 5134460), (40, 3337399), (52, 2567230), (65, 2053784), (104, 1283615), (130, 1026892), (260, 513446), (520, 256723)]