19991250160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35698661}}^1$

素因数の和:35698681

約数の個数: 40

約数和(自身を含む): 53119609056

約数和(自身を除く): 33128358896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35698661, 71397322, 142794644, 178493305, 249890627, 285589288, 356986610, 499781254, 571178576, 713973220, 999562508, 1249453135, 1427946440, 1999125016, 2498906270, 2855892880, 3998250032, 4997812540, 9995625080, 19991250160]

約数ペア:

[(1, 19991250160), (2, 9995625080), (4, 4997812540), (5, 3998250032), (7, 2855892880), (8, 2498906270), (10, 1999125016), (14, 1427946440), (16, 1249453135), (20, 999562508), (28, 713973220), (35, 571178576), (40, 499781254), (56, 356986610), (70, 285589288), (80, 249890627), (112, 178493305), (140, 142794644), (280, 71397322), (560, 35698661)]