31132240

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3853}}^1$

素因数の和:3967

約数の個数: 40

約数和(自身を含む): 73118088

約数和(自身を除く): 41985848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3853, 4040, 7706, 8080, 15412, 19265, 30824, 38530, 61648, 77060, 154120, 308240, 389153, 778306, 1556612, 1945765, 3113224, 3891530, 6226448, 7783060, 15566120, 31132240]

約数ペア:

[(1, 31132240), (2, 15566120), (4, 7783060), (5, 6226448), (8, 3891530), (10, 3113224), (16, 1945765), (20, 1556612), (40, 778306), (80, 389153), (101, 308240), (202, 154120), (404, 77060), (505, 61648), (808, 38530), (1010, 30824), (1616, 19265), (2020, 15412), (3853, 8080), (4040, 7706)]