40049560

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3989}}^1$

素因数の和:4251

約数の個数: 32

約数和(自身を含む): 90493200

約数和(自身を除く): 50443640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 3989, 5020, 7978, 10040, 15956, 19945, 31912, 39890, 79780, 159560, 1001239, 2002478, 4004956, 5006195, 8009912, 10012390, 20024780, 40049560]

約数ペア:

[(1, 40049560), (2, 20024780), (4, 10012390), (5, 8009912), (8, 5006195), (10, 4004956), (20, 2002478), (40, 1001239), (251, 159560), (502, 79780), (1004, 39890), (1255, 31912), (2008, 19945), (2510, 15956), (3989, 10040), (5020, 7978)]