40672040

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4051}}^1$

素因数の和:4313

約数の個数: 32

約数和(自身を含む): 91899360

約数和(自身を除く): 51227320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 4051, 5020, 8102, 10040, 16204, 20255, 32408, 40510, 81020, 162040, 1016801, 2033602, 4067204, 5084005, 8134408, 10168010, 20336020, 40672040]

約数ペア:

[(1, 40672040), (2, 20336020), (4, 10168010), (5, 8134408), (8, 5084005), (10, 4067204), (20, 2033602), (40, 1016801), (251, 162040), (502, 81020), (1004, 40510), (1255, 32408), (2008, 20255), (2510, 16204), (4051, 10040), (5020, 8102)]