7280840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{26003}}^1$

素因数の和:26021

約数の個数: 32

約数和(自身を含む): 18722880

約数和(自身を除く): 11442040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 26003, 52006, 104012, 130015, 182021, 208024, 260030, 364042, 520060, 728084, 910105, 1040120, 1456168, 1820210, 3640420, 7280840]

約数ペア:

[(1, 7280840), (2, 3640420), (4, 1820210), (5, 1456168), (7, 1040120), (8, 910105), (10, 728084), (14, 520060), (20, 364042), (28, 260030), (35, 208024), (40, 182021), (56, 130015), (70, 104012), (140, 52006), (280, 26003)]