340657640

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{65011}}^1$

素因数の和:65153

約数の個数: 32

約数和(自身を含む): 772342560

約数和(自身を除く): 431684920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 65011, 130022, 260044, 325055, 520088, 650110, 1300220, 2600440, 8516441, 17032882, 34065764, 42582205, 68131528, 85164410, 170328820, 340657640]

約数ペア:

[(1, 340657640), (2, 170328820), (4, 85164410), (5, 68131528), (8, 42582205), (10, 34065764), (20, 17032882), (40, 8516441), (131, 2600440), (262, 1300220), (524, 650110), (655, 520088), (1048, 325055), (1310, 260044), (2620, 130022), (5240, 65011)]