40857290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1613}}^1$

素因数の和:1786

約数の個数: 32

約数和(自身を含む): 78440400

約数和(自身を除く): 37583110

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 1490, 1613, 2533, 3226, 5066, 8065, 12665, 16130, 25330, 27421, 54842, 137105, 240337, 274210, 480674, 1201685, 2403370, 4085729, 8171458, 20428645, 40857290]

約数ペア:

[(1, 40857290), (2, 20428645), (5, 8171458), (10, 4085729), (17, 2403370), (34, 1201685), (85, 480674), (149, 274210), (170, 240337), (298, 137105), (745, 54842), (1490, 27421), (1613, 25330), (2533, 16130), (3226, 12665), (5066, 8065)]