31184240

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1553}}^1$

素因数の和:1817

約数の個数: 40

約数和(自身を含む): 72839088

約数和(自身を除く): 41654848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 1553, 2008, 2510, 3106, 4016, 5020, 6212, 7765, 10040, 12424, 15530, 20080, 24848, 31060, 62120, 124240, 389803, 779606, 1559212, 1949015, 3118424, 3898030, 6236848, 7796060, 15592120, 31184240]

約数ペア:

[(1, 31184240), (2, 15592120), (4, 7796060), (5, 6236848), (8, 3898030), (10, 3118424), (16, 1949015), (20, 1559212), (40, 779606), (80, 389803), (251, 124240), (502, 62120), (1004, 31060), (1255, 24848), (1553, 20080), (2008, 15530), (2510, 12424), (3106, 10040), (4016, 7765), (5020, 6212)]