17995880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64271}}^1$

素因数の和:64289

約数の個数: 32

約数和(自身を含む): 46275840

約数和(自身を除く): 28279960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64271, 128542, 257084, 321355, 449897, 514168, 642710, 899794, 1285420, 1799588, 2249485, 2570840, 3599176, 4498970, 8997940, 17995880]

約数ペア:

[(1, 17995880), (2, 8997940), (4, 4498970), (5, 3599176), (7, 2570840), (8, 2249485), (10, 1799588), (14, 1285420), (20, 899794), (28, 642710), (35, 514168), (40, 449897), (56, 321355), (70, 257084), (140, 128542), (280, 64271)]