29117720

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5237}}^1$

素因数の和:5387

約数の個数: 32

約数和(自身を含む): 65998800

約数和(自身を除く): 36881080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5237, 5560, 10474, 20948, 26185, 41896, 52370, 104740, 209480, 727943, 1455886, 2911772, 3639715, 5823544, 7279430, 14558860, 29117720]

約数ペア:

[(1, 29117720), (2, 14558860), (4, 7279430), (5, 5823544), (8, 3639715), (10, 2911772), (20, 1455886), (40, 727943), (139, 209480), (278, 104740), (556, 52370), (695, 41896), (1112, 26185), (1390, 20948), (2780, 10474), (5237, 5560)]