140045240

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{8731}}^1$

素因数の和:9143

約数の個数: 32

約数和(自身を含む): 315923760

約数和(自身を除く): 175878520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 8731, 16040, 17462, 34924, 43655, 69848, 87310, 174620, 349240, 3501131, 7002262, 14004524, 17505655, 28009048, 35011310, 70022620, 140045240]

約数ペア:

[(1, 140045240), (2, 70022620), (4, 35011310), (5, 28009048), (8, 17505655), (10, 14004524), (20, 7002262), (40, 3501131), (401, 349240), (802, 174620), (1604, 87310), (2005, 69848), (3208, 43655), (4010, 34924), (8020, 17462), (8731, 16040)]