1300040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4643}}^1$

素因数の和:4661

約数の個数: 32

約数和(自身を含む): 3343680

約数和(自身を除く): 2043640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4643, 9286, 18572, 23215, 32501, 37144, 46430, 65002, 92860, 130004, 162505, 185720, 260008, 325010, 650020, 1300040]

約数ペア:

[(1, 1300040), (2, 650020), (4, 325010), (5, 260008), (7, 185720), (8, 162505), (10, 130004), (14, 92860), (20, 65002), (28, 46430), (35, 37144), (40, 32501), (56, 23215), (70, 18572), (140, 9286), (280, 4643)]