13405780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 29723904

約数和(自身を除く): 16318124

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 151, 193, 230, 302, 386, 460, 604, 755, 772, 965, 1510, 1930, 3020, 3473, 3860, 4439, 6946, 8878, 13892, 17365, 17756, 22195, 29143, 34730, 44390, 58286, 69460, 88780, 116572, 145715, 291430, 582860, 670289, 1340578, 2681156, 3351445, 6702890, 13405780]

約数ペア:

[(1, 13405780), (2, 6702890), (4, 3351445), (5, 2681156), (10, 1340578), (20, 670289), (23, 582860), (46, 291430), (92, 145715), (115, 116572), (151, 88780), (193, 69460), (230, 58286), (302, 44390), (386, 34730), (460, 29143), (604, 22195), (755, 17756), (772, 17365), (965, 13892), (1510, 8878), (1930, 6946), (3020, 4439), (3473, 3860)]