70421720

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{6221}}^1$

素因数の和:6515

約数の個数: 32

約数和(自身を含む): 159034320

約数和(自身を除く): 88612600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 6221, 11320, 12442, 24884, 31105, 49768, 62210, 124420, 248840, 1760543, 3521086, 7042172, 8802715, 14084344, 17605430, 35210860, 70421720]

約数ペア:

[(1, 70421720), (2, 35210860), (4, 17605430), (5, 14084344), (8, 8802715), (10, 7042172), (20, 3521086), (40, 1760543), (283, 248840), (566, 124420), (1132, 62210), (1415, 49768), (2264, 31105), (2830, 24884), (5660, 12442), (6221, 11320)]