105180040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{375643}}^1$

素因数の和:375661

約数の個数: 32

約数和(自身を含む): 270463680

約数和(自身を除く): 165283640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 375643, 751286, 1502572, 1878215, 2629501, 3005144, 3756430, 5259002, 7512860, 10518004, 13147505, 15025720, 21036008, 26295010, 52590020, 105180040]

約数ペア:

[(1, 105180040), (2, 52590020), (4, 26295010), (5, 21036008), (7, 15025720), (8, 13147505), (10, 10518004), (14, 7512860), (20, 5259002), (28, 3756430), (35, 3005144), (40, 2629501), (56, 1878215), (70, 1502572), (140, 751286), (280, 375643)]