268740040

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{42793}}^1$

素因数の和:42961

約数の個数: 32

約数和(自身を含む): 608530680

約数和(自身を除く): 339790640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 42793, 85586, 171172, 213965, 342344, 427930, 855860, 1711720, 6718501, 13437002, 26874004, 33592505, 53748008, 67185010, 134370020, 268740040]

約数ペア:

[(1, 268740040), (2, 134370020), (4, 67185010), (5, 53748008), (8, 33592505), (10, 26874004), (20, 13437002), (40, 6718501), (157, 1711720), (314, 855860), (628, 427930), (785, 342344), (1256, 213965), (1570, 171172), (3140, 85586), (6280, 42793)]